Revert 146000 - Split out ContentViewCore from ContentView for embedders.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
===================================================================
--- content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java	(revision 146004)
+++ content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java	(working copy)
@@ -1,744 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.content.browser;
-
-import android.content.Context;
-import android.content.res.Configuration;
-import android.graphics.Canvas;
-import android.util.Log;
-import android.view.KeyEvent;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewGroup;
-import android.webkit.DownloadListener;
-
-import org.chromium.base.JNINamespace;
-import org.chromium.base.WeakContext;
-import org.chromium.content.common.TraceEvent;
-
-/**
- * Contains all the major functionality necessary to manage the lifecycle of a ContentView without
- * being tied to the view system.
- */
-@JNINamespace("content")
-public class ContentViewCore {
-    private static final String TAG = ContentViewCore.class.getName();
-
-    // The following constants match the ones in chrome/common/page_transition_types.h.
-    // Add more if you need them.
-    public static final int PAGE_TRANSITION_LINK = 0;
-    public static final int PAGE_TRANSITION_TYPED = 1;
-    public static final int PAGE_TRANSITION_AUTO_BOOKMARK = 2;
-    public static final int PAGE_TRANSITION_START_PAGE = 6;
-
-    /** Translate the find selection into a normal selection. */
-    public static final int FIND_SELECTION_ACTION_KEEP_SELECTION = 0;
-    /** Clear the find selection. */
-    public static final int FIND_SELECTION_ACTION_CLEAR_SELECTION = 1;
-    /** Focus and click the selected node (for links). */
-    public static final int FIND_SELECTION_ACTION_ACTIVATE_SELECTION = 2;
-
-    // Personality of the ContentView.
-    private int mPersonality;
-    // Used when ContentView implements a standalone View.
-    public static final int PERSONALITY_VIEW = 0;
-    // Used for Chrome.
-    public static final int PERSONALITY_CHROME = 1;
-
-    // Used to avoid enabling zooming in / out in WebView zoom controls
-    // if resulting zooming will produce little visible difference.
-    private static float WEBVIEW_ZOOM_CONTROLS_EPSILON = 0.007f;
-
-    /**
-     * Interface that consumers of {@link ContentViewCore} must implement to allow the proper
-     * dispatching of view methods through the containing view.
-     *
-     * <p>
-     * All methods with the "super_" prefix should be routed to the parent of the
-     * implementing container view.
-     */
-    @SuppressWarnings("javadoc")
-    public static interface InternalAccessDelegate {
-        /**
-         * @see View#drawChild(Canvas, View, long)
-         */
-        boolean drawChild(Canvas canvas, View child, long drawingTime);
-
-        /**
-         * @see View#onKeyUp(keyCode, KeyEvent)
-         */
-        boolean super_onKeyUp(int keyCode, KeyEvent event);
-
-        /**
-         * @see View#dispatchKeyEventPreIme(KeyEvent)
-         */
-        boolean super_dispatchKeyEventPreIme(KeyEvent event);
-
-        /**
-         * @see View#dispatchKeyEvent(KeyEvent)
-         */
-        boolean super_dispatchKeyEvent(KeyEvent event);
-
-        /**
-         * @see View#onGenericMotionEvent(MotionEvent)
-         */
-        boolean super_onGenericMotionEvent(MotionEvent event);
-
-        /**
-         * @see View#onConfigurationChanged(Configuration)
-         */
-        void super_onConfigurationChanged(Configuration newConfig);
-
-        /**
-         * @see View#onScrollChanged(int, int, int, int)
-         */
-        void onScrollChanged(int l, int t, int oldl, int oldt);
-
-        /**
-         * @see View#awakenScrollBars()
-         */
-        boolean awakenScrollBars();
-
-        /**
-         * @see View#awakenScrollBars(int, boolean)
-         */
-        boolean super_awakenScrollBars(int startDelay, boolean invalidate);
-    }
-
-    private Context mContext;
-    private ViewGroup mContainerView;
-    private InternalAccessDelegate mContainerViewInternals;
-
-    // content_view_client.cc depends on ContentViewCore.java holding a ref to the current client
-    // instance since the native side only holds a weak pointer to the client. We chose this
-    // solution over the managed object owning the C++ object's memory since it's a lot simpler
-    // in terms of clean up.
-    private ContentViewClient mContentViewClient;
-
-    private ContentSettings mContentSettings;
-
-    // Native pointer to C++ ContentView object which will be set by nativeInit()
-    private int mNativeContentViewCore = 0;
-
-    private ZoomManager mZoomManager;
-
-    // Cached page scale factor from native
-    private float mNativePageScaleFactor = 1.0f;
-    private float mNativeMinimumScale = 1.0f;
-    private float mNativeMaximumScale = 1.0f;
-
-    // TODO(klobag): this is to avoid a bug in GestureDetector. With multi-touch,
-    // mAlwaysInTapRegion is not reset. So when the last finger is up, onSingleTapUp()
-    // will be mistakenly fired.
-    private boolean mIgnoreSingleTap;
-
-    // The legacy webview DownloadListener.
-    private DownloadListener mDownloadListener;
-    // ContentViewDownloadDelegate adds support for authenticated downloads
-    // and POST downloads. Embedders should prefer ContentViewDownloadDelegate
-    // over DownloadListener.
-    private ContentViewDownloadDelegate mDownloadDelegate;
-
-    /**
-     * Enable multi-process ContentView. This should be called by the application before
-     * constructing any ContentView instances. If enabled, ContentView will run renderers in
-     * separate processes up to the number of processes specified by maxRenderProcesses. If this is
-     * not called then the default is to run the renderer in the main application on a separate
-     * thread.
-     *
-     * @param context Context used to obtain the application context.
-     * @param maxRendererProcesses Limit on the number of renderers to use. Each tab runs in its own
-     * process until the maximum number of processes is reached. The special value of
-     * MAX_RENDERERS_SINGLE_PROCESS requests single-process mode where the renderer will run in the
-     * application process in a separate thread. If the special value MAX_RENDERERS_AUTOMATIC is
-     * used then the number of renderers will be determined based on the device memory class. The
-     * maximum number of allowed renderers is capped by MAX_RENDERERS_LIMIT.
-     */
-    public static void enableMultiProcess(Context context, int maxRendererProcesses) {
-        AndroidBrowserProcess.initContentViewProcess(context, maxRendererProcesses);
-    }
-
-    /**
-     * Initialize the process as the platform browser. This must be called before accessing
-     * ContentView in order to treat this as a Chromium browser process.
-     *
-     * @param context Context used to obtain the application context.
-     * @param maxRendererProcesses Same as ContentView.enableMultiProcess()
-     * @hide Only used by the platform browser.
-     */
-    public static void initChromiumBrowserProcess(Context context, int maxRendererProcesses) {
-        AndroidBrowserProcess.initChromiumBrowserProcess(context, maxRendererProcesses);
-    }
-
-    /**
-     * Constructs a new ContentViewCore.
-     *
-     * @param context The context used to create this.
-     * @param containerView The view that will act as a container for all views created by this.
-     * @param internalDispatcher Handles dispatching all hidden or super methods to the
-     *                           containerView.
-     * @param nativeWebContents A pointer to the native web contents.
-     * @param personality The type of ContentViewCore being created.
-     */
-    public ContentViewCore(
-            Context context, ViewGroup containerView,
-            InternalAccessDelegate internalDispatcher,
-            int nativeWebContents, int personality) {
-        mContext = context;
-        mContainerView = containerView;
-        mContainerViewInternals = internalDispatcher;
-
-        WeakContext.initializeWeakContext(context);
-        // By default, ContentView will initialize single process mode. The call to
-        // initContentViewProcess below is ignored if either the ContentView host called
-        // enableMultiProcess() or the platform browser called initChromiumBrowserProcess().
-        AndroidBrowserProcess.initContentViewProcess(
-                context, AndroidBrowserProcess.MAX_RENDERERS_SINGLE_PROCESS);
-
-        initialize(context, nativeWebContents, personality);
-    }
-
-    /**
-     * @return The context used for creating this ContentViewCore.
-     */
-    public Context getContext() {
-        return mContext;
-    }
-
-    /**
-     * @return The ViewGroup that all view actions of this ContentViewCore should interact with.
-     */
-    protected ViewGroup getContainerView() {
-        return mContainerView;
-    }
-
-    // TODO(jrg): incomplete; upstream the rest of this method.
-    private void initialize(Context context, int nativeWebContents, int personality) {
-        mNativeContentViewCore = nativeInit(nativeWebContents);
-
-        mPersonality = personality;
-        mContentSettings = new ContentSettings(this, mNativeContentViewCore);
-        mContainerView.setWillNotDraw(false);
-        mContainerView.setFocusable(true);
-        mContainerView.setFocusableInTouchMode(true);
-        if (mContainerView.getScrollBarStyle() == View.SCROLLBARS_INSIDE_OVERLAY) {
-            mContainerView.setHorizontalScrollBarEnabled(false);
-            mContainerView.setVerticalScrollBarEnabled(false);
-        }
-        mContainerView.setClickable(true);
-        initGestureDetectors(context);
-
-        Log.i(TAG, "mNativeContentView=0x"+ Integer.toHexString(mNativeContentViewCore));
-    }
-
-    /**
-     * @return Whether the configured personality of this ContentView is {@link #PERSONALITY_VIEW}.
-     */
-    boolean isPersonalityView() {
-        switch (mPersonality) {
-            case PERSONALITY_VIEW:
-                return true;
-            case PERSONALITY_CHROME:
-                return false;
-            default:
-                Log.e(TAG, "Unknown ContentView personality: " + mPersonality);
-                return false;
-        }
-    }
-
-    /**
-     * Destroy the internal state of the WebView. This method may only be called
-     * after the WebView has been removed from the view system. No other methods
-     * may be called on this WebView after this method has been called.
-     */
-    public void destroy() {
-        if (mNativeContentViewCore != 0) {
-            nativeDestroy(mNativeContentViewCore);
-            mNativeContentViewCore = 0;
-        }
-        if (mContentSettings != null) {
-            mContentSettings.destroy();
-            mContentSettings = null;
-        }
-    }
-
-    /**
-     * Returns true initially, false after destroy() has been called.
-     * It is illegal to call any other public method after destroy().
-     */
-    public boolean isAlive() {
-        return mNativeContentViewCore != 0;
-    }
-
-    /**
-     * For internal use. Throws IllegalStateException if mNativeContentView is 0.
-     * Use this to ensure we get a useful Java stack trace, rather than a native
-     * crash dump, from use-after-destroy bugs in Java code.
-     */
-    void checkIsAlive() throws IllegalStateException {
-        if (!isAlive()) {
-            throw new IllegalStateException("ContentView used after destroy() was called");
-        }
-    }
-
-    public void setContentViewClient(ContentViewClient client) {
-        if (client == null) {
-            throw new IllegalArgumentException("The client can't be null.");
-        }
-        mContentViewClient = client;
-        if (mNativeContentViewCore != 0) {
-            nativeSetClient(mNativeContentViewCore, mContentViewClient);
-        }
-    }
-
-    ContentViewClient getContentViewClient() {
-        if (mContentViewClient == null) {
-            // We use the Null Object pattern to avoid having to perform a null check in this class.
-            // We create it lazily because most of the time a client will be set almost immediately
-            // after ContentView is created.
-            mContentViewClient = new ContentViewClient();
-            // We don't set the native ContentViewClient pointer here on purpose. The native
-            // implementation doesn't mind a null delegate and using one is better than passing a
-            // Null Object, since we cut down on the number of JNI calls.
-        }
-        return mContentViewClient;
-    }
-
-    /**
-     * Load url without fixing up the url string. Consumers of ContentView are responsible for
-     * ensuring the URL passed in is properly formatted (i.e. the scheme has been added if left
-     * off during user input).
-     *
-     * @param url The url to load.
-     */
-    public void loadUrlWithoutUrlSanitization(String url) {
-        loadUrlWithoutUrlSanitization(url, PAGE_TRANSITION_TYPED);
-    }
-
-    /**
-     * Load url without fixing up the url string. Consumers of ContentView are responsible for
-     * ensuring the URL passed in is properly formatted (i.e. the scheme has been added if left
-     * off during user input).
-     *
-     * @param url The url to load.
-     * @param pageTransition Page transition id that describes the action that led to this
-     *                       navigation. It is important for ranking URLs in the history so the
-     *                       omnibox can report suggestions correctly.
-     */
-    public void loadUrlWithoutUrlSanitization(String url, int pageTransition) {
-        if (mNativeContentViewCore != 0) {
-            if (isPersonalityView()) {
-                nativeLoadUrlWithoutUrlSanitizationWithUserAgentOverride(
-                        mNativeContentViewCore,
-                        url,
-                        pageTransition,
-                        mContentSettings.getUserAgentString());
-            } else {
-                // Chrome stores overridden UA strings in navigation history
-                // items, so they stay the same on going back / forward.
-                nativeLoadUrlWithoutUrlSanitization(
-                        mNativeContentViewCore,
-                        url,
-                        pageTransition);
-            }
-        }
-    }
-
-    void setAllUserAgentOverridesInHistory() {
-        // TODO(tedchoc): Pass user agent override down to native.
-    }
-
-    /**
-     * Stops loading the current web contents.
-     */
-    public void stopLoading() {
-        if (mNativeContentViewCore != 0) nativeStopLoading(mNativeContentViewCore);
-    }
-
-    /**
-     * Get the URL of the current page.
-     *
-     * @return The URL of the current page.
-     */
-    public String getUrl() {
-        if (mNativeContentViewCore != 0) return nativeGetURL(mNativeContentViewCore);
-        return null;
-    }
-
-    /**
-     * Get the title of the current page.
-     *
-     * @return The title of the current page.
-     */
-    public String getTitle() {
-        if (mNativeContentViewCore != 0) return nativeGetTitle(mNativeContentViewCore);
-        return null;
-    }
-
-    /**
-     * @return The load progress of current web contents (range is 0 - 100).
-     */
-    public int getProgress() {
-        if (mNativeContentViewCore != 0) {
-            return (int) (100.0 * nativeGetLoadProgress(mNativeContentViewCore));
-        }
-        return 100;
-    }
-
-    public int getWidth() {
-        return mContainerView.getWidth();
-    }
-
-    public int getHeight() {
-        return mContainerView.getHeight();
-    }
-
-    /**
-     * @return Whether the current WebContents has a previous navigation entry.
-     */
-    public boolean canGoBack() {
-        return mNativeContentViewCore != 0 && nativeCanGoBack(mNativeContentViewCore);
-    }
-
-    /**
-     * @return Whether the current WebContents has a navigation entry after the current one.
-     */
-    public boolean canGoForward() {
-        return mNativeContentViewCore != 0 && nativeCanGoForward(mNativeContentViewCore);
-    }
-
-    /**
-     * @param offset The offset into the navigation history.
-     * @return Whether we can move in history by given offset
-     */
-    public boolean canGoToOffset(int offset) {
-        return mNativeContentViewCore != 0 && nativeCanGoToOffset(mNativeContentViewCore, offset);
-    }
-
-    /**
-     * Navigates to the specified offset from the "current entry". Does nothing if the offset is out
-     * of bounds.
-     * @param offset The offset into the navigation history.
-     */
-    public void goToOffset(int offset) {
-        if (mNativeContentViewCore != 0) nativeGoToOffset(mNativeContentViewCore, offset);
-    }
-
-    /**
-     * Goes to the navigation entry before the current one.
-     */
-    public void goBack() {
-        if (mNativeContentViewCore != 0) nativeGoBack(mNativeContentViewCore);
-    }
-
-    /**
-     * Goes to the navigation entry following the current one.
-     */
-    public void goForward() {
-        if (mNativeContentViewCore != 0) nativeGoForward(mNativeContentViewCore);
-    }
-
-    /**
-     * Reload the current page.
-     */
-    public void reload() {
-        if (mNativeContentViewCore != 0) nativeReload(mNativeContentViewCore);
-    }
-
-    /**
-     * Clears the WebView's page history in both the backwards and forwards
-     * directions.
-     */
-    public void clearHistory() {
-        if (mNativeContentViewCore != 0) nativeClearHistory(mNativeContentViewCore);
-    }
-
-    /**
-     * Start pinch zoom. You must call {@link #pinchEnd} to stop.
-     */
-    void pinchBegin(long timeMs, int x, int y) {
-        if (mNativeContentViewCore != 0) {
-            // TODO(tedchoc): Pass pinch begin to native.
-        }
-    }
-
-    /**
-     * Stop pinch zoom.
-     */
-    void pinchEnd(long timeMs) {
-        if (mNativeContentViewCore != 0) {
-            // TODO(tedchoc): Pass pinch end to native.
-        }
-    }
-
-    void setIgnoreSingleTap(boolean value) {
-        mIgnoreSingleTap = value;
-    }
-
-    /**
-     * Modify the ContentView magnification level. The effect of calling this
-     * method is exactly as after "pinch zoom".
-     *
-     * @param timeMs The event time in milliseconds.
-     * @param delta The ratio of the new magnification level over the current
-     *            magnification level.
-     * @param anchorX The magnification anchor (X) in the current view
-     *            coordinate.
-     * @param anchorY The magnification anchor (Y) in the current view
-     *            coordinate.
-     */
-    void pinchBy(long timeMs, int anchorX, int anchorY, float delta) {
-        if (mNativeContentViewCore != 0) {
-            // TODO(tedchoc): Pass pinch by to native.
-        }
-    }
-
-    /**
-     * Return the ContentSettings object used to control the settings for this
-     * WebView.
-     *
-     * Note that when ContentView is used in the PERSONALITY_CHROME role,
-     * ContentSettings can only be used for retrieving settings values. For
-     * modifications, ChromeNativePreferences is to be used.
-     * @return A ContentSettings object that can be used to control this WebView's
-     *         settings.
-     */
-    public ContentSettings getContentSettings() {
-        return mContentSettings;
-    }
-
-    // End FrameLayout overrides.
-
-    /**
-     * @see View#awakenScrollBars(int, boolean)
-     */
-    @SuppressWarnings("javadoc")
-    protected boolean awakenScrollBars(int startDelay, boolean invalidate) {
-        // For the default implementation of ContentView which draws the scrollBars on the native
-        // side, calling this function may get us into a bad state where we keep drawing the
-        // scrollBars, so disable it by always returning false.
-        if (mContainerView.getScrollBarStyle() == View.SCROLLBARS_INSIDE_OVERLAY) {
-            return false;
-        } else {
-            return mContainerViewInternals.super_awakenScrollBars(startDelay, invalidate);
-        }
-    }
-
-    private void initGestureDetectors(final Context context) {
-        try {
-            TraceEvent.begin();
-            // TODO(tedchoc): Upstream the rest of the initialization.
-            mZoomManager = new ZoomManager(context, this);
-            mZoomManager.updateMultiTouchSupport();
-        } finally {
-            TraceEvent.end();
-        }
-    }
-
-    void updateMultiTouchZoomSupport() {
-        mZoomManager.updateMultiTouchSupport();
-    }
-
-    public boolean isMultiTouchZoomSupported() {
-        return mZoomManager.isMultiTouchZoomSupported();
-    }
-
-    /**
-     * Register the listener to be used when content can not be handled by the
-     * rendering engine, and should be downloaded instead. This will replace the
-     * current listener.
-     * @param listener An implementation of DownloadListener.
-     */
-    // TODO(nileshagrawal): decide if setDownloadDelegate will be public API. If so,
-    // this method should be deprecated and the javadoc should make reference to the
-    // fact that a ContentViewDownloadDelegate will be used in preference to a
-    // DownloadListener.
-    public void setDownloadListener(DownloadListener listener) {
-        mDownloadListener = listener;
-    }
-
-    // Called by DownloadController.
-    DownloadListener downloadListener() {
-        return mDownloadListener;
-    }
-
-    /**
-     * Register the delegate to be used when content can not be handled by
-     * the rendering engine, and should be downloaded instead. This will replace
-     * the current delegate or existing DownloadListner.
-     * Embedders should prefer this over the legacy DownloadListener.
-     * @param listener An implementation of ContentViewDownloadDelegate.
-     */
-    public void setDownloadDelegate(ContentViewDownloadDelegate delegate) {
-        mDownloadDelegate = delegate;
-    }
-
-    // Called by DownloadController.
-    ContentViewDownloadDelegate getDownloadDelegate() {
-        return mDownloadDelegate;
-    }
-
-    /**
-     * @return Whether the native ContentView has crashed.
-     */
-    public boolean isCrashed() {
-        if (mNativeContentViewCore == 0) return false;
-        return nativeCrashed(mNativeContentViewCore);
-    }
-
-    /**
-     * @return Whether a reload happens when this ContentView is activated.
-     */
-    public boolean needsReload() {
-        return mNativeContentViewCore != 0 && nativeNeedsReload(mNativeContentViewCore);
-    }
-
-    /**
-     * Checks whether the WebView can be zoomed in.
-     *
-     * @return True if the WebView can be zoomed in.
-     */
-    // This method uses the term 'zoom' for legacy reasons, but relates
-    // to what chrome calls the 'page scale factor'.
-    public boolean canZoomIn() {
-        return mNativeMaximumScale - mNativePageScaleFactor > WEBVIEW_ZOOM_CONTROLS_EPSILON;
-    }
-
-    /**
-     * Checks whether the WebView can be zoomed out.
-     *
-     * @return True if the WebView can be zoomed out.
-     */
-    // This method uses the term 'zoom' for legacy reasons, but relates
-    // to what chrome calls the 'page scale factor'.
-    public boolean canZoomOut() {
-        return mNativePageScaleFactor - mNativeMinimumScale > WEBVIEW_ZOOM_CONTROLS_EPSILON;
-    }
-
-    /**
-     * Zooms in the WebView by 25% (or less if that would result in zooming in
-     * more than possible).
-     *
-     * @return True if there was a zoom change, false otherwise.
-     */
-    // This method uses the term 'zoom' for legacy reasons, but relates
-    // to what chrome calls the 'page scale factor'.
-    public boolean zoomIn() {
-        if (!canZoomIn()) {
-            return false;
-        }
-
-        if (mNativeContentViewCore == 0) {
-            return false;
-        }
-
-        long timeMs = System.currentTimeMillis();
-        int x = getWidth() / 2;
-        int y = getHeight() / 2;
-        float delta = 1.25f;
-
-        pinchBegin(timeMs, x, y);
-        pinchBy(timeMs, x, y, delta);
-        pinchEnd(timeMs);
-
-        return true;
-    }
-
-    /**
-     * Zooms out the WebView by 20% (or less if that would result in zooming out
-     * more than possible).
-     *
-     * @return True if there was a zoom change, false otherwise.
-     */
-    // This method uses the term 'zoom' for legacy reasons, but relates
-    // to what chrome calls the 'page scale factor'.
-    public boolean zoomOut() {
-        if (!canZoomOut()) {
-            return false;
-        }
-
-        if (mNativeContentViewCore == 0) {
-            return false;
-        }
-
-        long timeMs = System.currentTimeMillis();
-        int x = getWidth() / 2;
-        int y = getHeight() / 2;
-        float delta = 0.8f;
-
-        pinchBegin(timeMs, x, y);
-        pinchBy(timeMs, x, y, delta);
-        pinchEnd(timeMs);
-
-        return true;
-    }
-
-    // Invokes the graphical zoom picker widget for this ContentView.
-    public void invokeZoomPicker() {
-        if (mContentSettings.supportZoom()) {
-            mZoomManager.invokeZoomPicker();
-        }
-    }
-
-    // Unlike legacy WebView getZoomControls which returns external zoom controls,
-    // this method returns built-in zoom controls. This method is used in tests.
-    public View getZoomControlsForTest() {
-        return mZoomManager.getZoomControlsViewForTest();
-    }
-
-    // The following methods are implemented at native side.
-
-    /**
-     * Initialize the ContentView native side.
-     * Should be called with a valid native WebContents.
-     * If nativeInitProcess is never called, the first time this method is called,
-     * nativeInitProcess will be called implicitly with the default settings.
-     * @param webContentsPtr the ContentView does not create a new native WebContents and uses
-     *                       the provided one.
-     * @return a native pointer to the native ContentView object.
-     */
-    private native int nativeInit(int webContentsPtr);
-
-    private native void nativeDestroy(int nativeContentViewCoreImpl);
-
-    private native void nativeLoadUrlWithoutUrlSanitization(int nativeContentViewCoreImpl,
-            String url, int pageTransition);
-    private native void nativeLoadUrlWithoutUrlSanitizationWithUserAgentOverride(
-            int nativeContentViewCoreImpl, String url, int pageTransition,
-            String userAgentOverride);
-
-    private native String nativeGetURL(int nativeContentViewCoreImpl);
-
-    private native String nativeGetTitle(int nativeContentViewCoreImpl);
-
-    private native double nativeGetLoadProgress(int nativeContentViewCoreImpl);
-
-    private native boolean nativeIsIncognito(int nativeContentViewCoreImpl);
-
-    // Returns true if the native side crashed so that java side can draw a sad tab.
-    private native boolean nativeCrashed(int nativeContentViewCoreImpl);
-
-    private native boolean nativeCanGoBack(int nativeContentViewCoreImpl);
-
-    private native boolean nativeCanGoForward(int nativeContentViewCoreImpl);
-
-    private native boolean nativeCanGoToOffset(int nativeContentViewCoreImpl, int offset);
-
-    private native void nativeGoToOffset(int nativeContentViewCoreImpl, int offset);
-
-    private native void nativeGoBack(int nativeContentViewCoreImpl);
-
-    private native void nativeGoForward(int nativeContentViewCoreImpl);
-
-    private native void nativeStopLoading(int nativeContentViewCoreImpl);
-
-    private native void nativeReload(int nativeContentViewCoreImpl);
-
-    private native void nativeSetClient(int nativeContentViewCoreImpl, ContentViewClient client);
-
-    private native boolean nativeNeedsReload(int nativeContentViewCoreImpl);
-
-    private native void nativeClearHistory(int nativeContentViewCoreImpl);
-}