Introduce content::RenderWidgetHostViewPort (in content/port/browser).

content/browser/renderer_host/render_widget_host.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #pragma once
 
 #include <deque>
 #include <string>
@@ skipping 25 matching lines @@
 class TransportDIB;
 struct ViewHostMsg_UpdateRect_Params;
 class WebCursor;
 
 namespace base {
 class TimeTicks;
 }
 
 namespace content {
 class RenderProcessHost;
+class RenderWidgetHostViewPort;
 }
 
 namespace gfx {
 class Rect;
 }
 
 namespace ui {
 class Range;
 }
 
@@ skipping 485 matching lines @@
   // Indicates if the render widget host should track the render widget's size
   // as opposed to visa versa.
   void SetShouldAutoResize(bool enable);
 
  protected:
   // The View associated with the RenderViewHost. The lifetime of this object
   // is associated with the lifetime of the Render process. If the Renderer
   // crashes, its View is destroyed and this pointer becomes NULL, even though
   // render_view_host_ lives on to load another URL (creating a new View while
   // doing so).
-  RenderWidgetHostViewBase* view_;
+  content::RenderWidgetHostViewPort* view_;
 
   // true if a renderer has once been valid. We use this flag to display a sad
   // tab only when we lose our renderer and not if a paint occurs during
   // initialization.
   bool renderer_initialized_;
 
   // This value indicates how long to wait before we consider a renderer hung.
   int hung_renderer_delay_ms_;
 
  private:
@@ skipping 255 matching lines @@
   // then touch events are sent to the renderer. Otherwise, the touch events are
   // not sent to the renderer.
   bool has_touch_handler_;
 
   base::WeakPtrFactory<RenderWidgetHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_