Introduce CompositorDependencies for RenderWidgetCompositor.

content/renderer/render_widget.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_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 52 matching lines @@
 namespace cc {
 class OutputSurface;
 class SwapPromise;
 }
 
 namespace gfx {
 class Range;
 }
 
 namespace content {
+class CompositorDependencies;
 class ExternalPopupMenu;
 class FrameSwapMessageQueue;
 class PepperPluginInstanceImpl;
 class RenderFrameImpl;
 class RenderFrameProxy;
 class RenderWidgetCompositor;
 class RenderWidgetTest;
 class ResizingModeSelector;
 struct ContextMenuParams;
 struct WebPluginGeometry;
@@ skipping 470 matching lines @@
   // RenderWidgetHost. When MSG_ROUTING_NONE, no messages may be sent.
   int32 routing_id_;
 
   int32 surface_id_;
 
   // We are responsible for destroying this object via its Close method.
   // May be NULL when the window is closing.
   blink::WebWidget* webwidget_;
 
   // This is lazily constructed and must not outlive webwidget_.
+  scoped_ptr<CompositorDependencies> compositor_deps_;
   scoped_ptr<RenderWidgetCompositor> compositor_;
 
   // Set to the ID of the view that initiated creating this view, if any. When
   // the view was initiated by the browser (the common case), this will be
   // MSG_ROUTING_NONE. This is used in determining ownership when opening
   // child tabs. See RenderWidget::createWebViewWithRequest.
   //
   // This ID may refer to an invalid view if that view is closed before this
   // view is.
   int32 opener_id_;
@@ skipping 191 matching lines @@
   ui::MenuSourceType context_menu_source_type_;
   bool has_host_context_menu_location_;
   gfx::Point host_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_