Revert of Separate RenderView from RenderWidget, part 1: inheritance.

content/public/renderer/render_view.h

Index: content/public/renderer/render_view.h
diff --git a/content/public/renderer/render_view.h b/content/public/renderer/render_view.h
index 362d6d6da055b97f77ff579b3c768584c081b4ba..d02fa8f537dce23fb787f3add73f7c7630196a34 100644
--- a/content/public/renderer/render_view.h
+++ b/content/public/renderer/render_view.h
@@ -38,7 +38,6 @@
 namespace content {
 
 class RenderFrame;
-class RenderWidget;
 class RenderViewVisitor;
 struct SSLStatus;
 struct WebPreferences;
@@ -66,9 +65,6 @@
   // Applies WebKit related preferences to this view.
   static void ApplyWebPreferences(const WebPreferences& preferences,
                                   blink::WebView* web_view);
-
-  // Returns the RenderWidget for this RenderView.
-  virtual RenderWidget* GetWidget() const = 0;
 
   // Returns the main RenderFrame.
   virtual RenderFrame* GetMainRenderFrame() = 0;