Refactor ContentViewClient (3/6)

android_webview/java/src/org/chromium/android_webview/AwViewAndroidDelegate.java

 // Copyright 2016 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.android_webview;
 
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
@@ skipping 15 matching lines @@
      * {@link #updateCurrentContainerView()}.
      */
     private ViewGroup mContainerView;
 
     /**
      * List of anchor views stored in the order in which they were acquired mapped
      * to their position.
      */
     private final Map<View, Position> mAnchorViews = new LinkedHashMap<>();
 
+    private final AwContentsClient mContentsClient;
+
     private final RenderCoordinates mRenderCoordinates;
 
     /**
      * Represents the position of an anchor view.
      */
     @VisibleForTesting
     private static class Position {
         public final float mX;
         public final float mY;
         public final float mWidth;
         public final float mHeight;
         public final int mLeftMargin;
         public final int mTopMargin;
 
         public Position(float x, float y, float width, float height, int leftMargin,
                 int topMargin) {
             mX = x;
             mY = y;
             mWidth = width;
             mHeight = height;
             mLeftMargin = leftMargin;
             mTopMargin = topMargin;
         }
     }
 
     @VisibleForTesting
-    public AwViewAndroidDelegate(ViewGroup containerView, RenderCoordinates renderCoordinates) {
+    public AwViewAndroidDelegate(ViewGroup containerView, AwContentsClient contentsClient,
+            RenderCoordinates renderCoordinates) {
         mContainerView = containerView;
+        mContentsClient = contentsClient;
         mRenderCoordinates = renderCoordinates;
     }
 
     @Override
     public View acquireView() {
         ViewGroup containerView = getContainerView();
         if (containerView == null) return null;
         View anchorView = new View(containerView.getContext());
         containerView.addView(anchorView);
         // |mAnchorViews| will be updated with the right view position in |setViewPosition|.
@@ skipping 59 matching lines @@
         android.widget.AbsoluteLayout.LayoutParams lp =
                 new android.widget.AbsoluteLayout.LayoutParams(
                     scaledWidth, scaledHeight, leftMargin, topMargin);
         anchorView.setLayoutParams(lp);
     }
 
     @Override
     public ViewGroup getContainerView() {
         return mContainerView;
     }
+
+    @Override
+    public void onBackgroundColorChanged(int color) {
+        mContentsClient.onBackgroundColorChanged(color);
+    }
 }