Revert of Make RenderFrame(Host) own a RenderWidget(Host).

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index a6debc3656812b25b2941f658bcaf253676fd3dc..c1c053c9820b589c5e516491914feabeac7b1ce6 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -191,18 +191,6 @@
   // menus, and other times when the renderer initiates creating an object.
   virtual void Init();
 
-  // Initializes a RenderWidgetHost that is attached to a RenderFrameHost.
-  void InitForFrame();
-
-  // Signal whether this RenderWidgetHost is owned by a RenderFrameHost, in
-  // which case it does not do self-deletion.
-  void set_owned_by_render_frame_host(bool owned_by_rfh) {
-    owned_by_render_frame_host_ = owned_by_rfh;
-  }
-
-  // Called by RenderFrameHost before destroying this object.
-  void Cleanup();
-
   // Tells the renderer to die and then calls Destroy().
   virtual void Shutdown();
 
@@ -840,10 +828,6 @@
       base::Callback<void(const unsigned char*, size_t)> > PendingSnapshotMap;
   PendingSnapshotMap pending_browser_snapshots_;
 
-  // Indicates whether a RenderFramehost has ownership, in which case this
-  // object does not self destroy.
-  bool owned_by_render_frame_host_;
-
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);