Refactor the Android port to allow access to the chrome layer.

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

 // 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.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Rect;
@@ skipping 15 matching lines @@
  *  This contains the superset of callbacks required to implement the browser UI and the callbacks
  *  required to implement the WebView API.
  *  The memory and reference ownership of this class is unusual - see the .cc file and ContentView
  *  for more details.
  *
  *  TODO(mkosiba): Rid this guy of default implementations. This class is used by both WebView and
  *  the browser and we don't want a the browser-specific default implementation to accidentally leak
  *  over to WebView.
  */
 public class ContentViewClient {
-
     // Tag used for logging.
     private static final String TAG = "ContentViewClient";
 
     // Native class pointer which will be set by nativeInit()
     @AccessedByNative
     private int mNativeClazz = 0;
 
     // These ints must match up to the native values in content_view_client.h.
     // Generic error
     public static final int ERROR_UNKNOWN = -1;
@@ skipping 20 matching lines @@
     // Malformed URL
     public static final int ERROR_BAD_URL = -12;
     // Generic file error
     public static final int ERROR_FILE = -13;
     // File not found
     public static final int ERROR_FILE_NOT_FOUND = -14;
     // Too many requests during this load
     public static final int ERROR_TOO_MANY_REQUESTS = -15;
 
     @CalledByNative
-    public void openNewTab(String url, boolean incognito) {
-    }
-
-    @CalledByNative
-    public boolean addNewContents(int nativeSourceWebContents, int nativeWebContents,
-                                  int disposition, Rect initialPosition, boolean userGesture) {
-        return false;
-    }
-
-    @CalledByNative
-    public void closeContents() {
-    }
-
-    @CalledByNative
-    public void onUrlStarredChanged(boolean starred) {
-    }
-
-    @CalledByNative
     public void onPageStarted(String url) {
     }
 
     @CalledByNative
     public void onPageFinished(String url) {
     }
 
     @CalledByNative
-    public void onLoadStarted() {
-    }
-
-    @CalledByNative
-    public void onLoadStopped() {
-    }
-
-    @CalledByNative
     public void onReceivedError(int errorCode, String description, String failingUrl) {
     }
 
     @CalledByNative
     public void onMainFrameCommitted(String url, String baseUrl) {
     }
 
-    @CalledByNative
-    public void onTabHeaderStateChanged() {
-    }
-
-    @CalledByNative
-    public void onLoadProgressChanged(double progress) {
-    }
-
     public void onUpdateTitle(String title) {
     }
 
     @CalledByNative
-    public void onUpdateUrl(String url) {
-    }
-
-    @CalledByNative
-    public void onReceiveFindMatchRects(int version, float[] rect_data,
-                                        RectF activeRect) {
-    }
-
-    @CalledByNative
     public void onInterstitialShown() {
     }
 
     @CalledByNative
     public void onInterstitialHidden() {
     }
 
-    @CalledByNative
-    public boolean takeFocus(boolean reverse) {
-        return false;
-    }
-
     public void onTabCrash(int pid) {
     }
 
-    @CalledByNative
-    public boolean shouldOverrideUrlLoading(String url) {
-        return false;
-    }
-
     public boolean shouldOverrideKeyEvent(KeyEvent event) {
         int keyCode = event.getKeyCode();
         // We need to send almost every key to WebKit. However:
         // 1. We don't want to block the device on the renderer for
         // some keys like menu, home, call.
         // 2. There are no WebKit equivalents for some of these keys
         // (see app/keyboard_codes_win.h)
         // Note that these are not the same set as KeyEvent.isSystemKey:
         // for instance, AKEYCODE_MEDIA_* will be dispatched to webkit.
         if (keyCode == KeyEvent.KEYCODE_MENU ||
@@ skipping 20 matching lines @@
         }
 
         return false;
     }
 
     // Called when an ImeEvent is sent to the page. Can be used to know when some text is entered
     // in a page.
     public void onImeEvent() {
     }
 
-    public void onUnhandledKeyEvent(KeyEvent event) {
-        // TODO(bulach): we probably want to re-inject the KeyEvent back into
-        // the system. Investigate if this is at all possible.
-    }
-
-    @CalledByNative
-    void handleKeyboardEvent(KeyEvent event) {
-        onUnhandledKeyEvent(event);
-    }
-
-    @CalledByNative
-    public void runFileChooser(FileChooserParams params) {
-    }
-
     // Return true if the client will handle the JS alert.
     @CalledByNative
     public boolean  onJsAlert(String url, String Message) {
         return false;
     }
 
     // Return true if the client will handle the JS before unload dialog.
     @CalledByNative
     public boolean onJsBeforeUnload(String url, String message) {
         return false;
@@ skipping 67 matching lines @@
             return;
         }
 
         try {
             context.startActivity(intent);
         } catch (ActivityNotFoundException ex) {
             Log.w(TAG, "No application can handle " + contentUrl);
         }
     }
 }