Upstream oodles of Chrome for Android code into Chromium.

chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java

+// Copyright 2015 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.chrome.browser.compositor.layouts;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+
+import org.chromium.chrome.browser.compositor.TitleCache;
+import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
+import org.chromium.content.browser.ContentViewCore;
+import org.chromium.ui.resources.ResourceManager;
+
+/**
+ * The {@link LayoutManagerHost} usually is based on a {@link android.view.View}. This
+ * implementation is stripped down with static sizes but still support 2 different orientations.
+ */
+class MockLayoutHost implements LayoutManagerHost, LayoutRenderHost {
+
+    public static final int LAYOUT_HOST_PORTRAIT_WIDTH = 320; // dp
+    public static final int LAYOUT_HOST_PORTRAIT_HEIGHT = 460; // dp
+
+    private final Context mContext;
+    private boolean mPortrait = true;
+
+    static class MockTitleCache implements TitleCache {
+        @Override
+        public void put(int tabId, Bitmap titleBitmap, Bitmap faviconBitmap, boolean isIncognito,
+                boolean isRtl) { }
+
+        @Override
+        public void remove(int tabId) { }
+
+        @Override
+        public void clearExcept(int tabId) { }
+    }
+
+    private final MockTitleCache mMockTitleCache = new MockTitleCache();
+
+    MockLayoutHost(Context context) {
+        mContext = context;
+    }
+
+    public void setOrientation(boolean portrait) {
+        mPortrait = portrait;
+    }
+
+    @Override
+    public void requestRender() { }
+
+    @Override
+    public void onCompositorLayout() { }
+
+    @Override
+    public void onSwapBuffersCompleted(int pendingSwapBuffersCount) { }
+
+    @Override
+    public void onSurfaceCreated() { }
+
+    @Override
+    public void onPhysicalBackingSizeChanged(int width, int height) { }
+
+    @Override
+    public void onOverdrawBottomHeightChanged(int overdrawHeight) {}
+
+    @Override
+    public int getCurrentOverdrawBottomHeight() {
+        return 0;
+    }
+
+    @Override
+    public Context getContext() {
+        return mContext;
+    }
+
+    @Override
+    public int getWidth() {
+        final float density = mContext.getResources().getDisplayMetrics().density;
+        final float size = mPortrait ? LAYOUT_HOST_PORTRAIT_WIDTH : LAYOUT_HOST_PORTRAIT_HEIGHT;
+        return (int) (density * size);
+    }
+
+    @Override
+    public int getHeight() {
+        final float density = mContext.getResources().getDisplayMetrics().density;
+        final float size = mPortrait ? LAYOUT_HOST_PORTRAIT_HEIGHT : LAYOUT_HOST_PORTRAIT_WIDTH;
+        return (int) (density * size);
+    }
+
+    @Override
+    public LayoutRenderHost getLayoutRenderHost() {
+        return this;
+    }
+
+    @Override
+    public void pushDebugRect(Rect rect, int color) { }
+
+    @Override
+    public void loadPersitentTextureDataIfNeeded() { }
+
+    @Override
+    public int getLayoutTabsDrawnCount() {
+        return 0;
+    }
+
+    @Override
+    public void setContentOverlayVisibility(boolean visible) { }
+
+    @Override
+    public TitleCache getTitleCache() {
+        return mMockTitleCache;
+    }
+
+    @Override
+    public ChromeFullscreenManager getFullscreenManager() {
+        return null;
+    }
+
+    @Override
+    public Rect getVisibleViewport(Rect rect) {
+        if (rect == null) rect = new Rect();
+        rect.set(0, 0, getWidth(), getHeight());
+        return rect;
+    }
+
+    @Override
+    public int getTopControlsHeightPixels() {
+        return 0;
+    }
+
+    @Override
+    public boolean areTopControlsPermanentlyHidden() {
+        return false;
+    }
+
+    @Override
+    public ResourceManager getResourceManager() {
+        return null;
+    }
+
+    @Override
+    public void invalidateAccessibilityProvider() { }
+
+    @Override
+    public void onContentViewCoreAdded(ContentViewCore content) { }
+
+    @Override
+    public void onContentChanged() { }
+}