Migrate the Android compositor to cc::Layer classes.

content/public/browser/android/compositor.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 
+namespace cc {
+class Layer;
+}
+
 namespace gfx {
 class JavaBitmap;
 }
 
-namespace WebKit {
-class WebLayer;
-}
-
 namespace content {
 
 // An interface to the browser-side compositor.
 class CONTENT_EXPORT Compositor {
  public:
   class Client {
    public:
     // Tells the client that it should schedule a composite.
     virtual void ScheduleComposite() = 0;
 
@@ skipping 17 matching lines @@
   };
 
   // Initialize with flags. This should only be called once instead
   // of Initialize().
   static void InitializeWithFlags(uint32 flags);
 
   // Creates and returns a compositor instance.
   static Compositor* Create(Client* client);
 
   // Attaches the layer tree.
-  virtual void SetRootLayer(WebKit::WebLayer* root) = 0;
+  virtual void SetRootLayer(scoped_refptr<cc::Layer> root) = 0;
 
   // Set the output surface bounds.
   virtual void SetWindowBounds(const gfx::Size& size) = 0;
 
   // Sets the window visibility. When becoming invisible, resources will get
   // freed and other calls into the compositor are not allowed until after
   // having been made visible again.
   virtual void SetVisible(bool visible) = 0;
 
   // Set the output surface handle which the compositor renders into.
@@ skipping 24 matching lines @@
   // done.  It is assumed that the texture size matches that of the bitmap.
   virtual void CopyTextureToBitmap(WebKit::WebGLId texture_id,
                                    gfx::JavaBitmap& bitmap) = 0;
  protected:
   Compositor() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_