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

content/renderer/render_frame_impl.h

 // Copyright 2013 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_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 17 matching lines @@
 #include "third_party/WebKit/public/web/WebFrameClient.h"
 #include "third_party/WebKit/public/web/WebHistoryCommitType.h"
 #include "ui/gfx/range/range.h"
 
 #if defined(OS_ANDROID)
 #include "content/renderer/media/android/renderer_media_player_manager.h"
 #endif
 
 class TransportDIB;
 struct FrameMsg_Navigate_Params;
+struct FrameMsg_NewFrame_WidgetParams;
 
 namespace blink {
 class WebGeolocationClient;
 class WebInputEvent;
 class WebMouseEvent;
 class WebContentDecryptionModule;
 class WebMediaPlayer;
 class WebNotificationPresenter;
 class WebPushClient;
 class WebSecurityOrigin;
@@ skipping 46 matching lines @@
   // TODO(creis): We should structure this so that |SetWebFrame| isn't needed.
   static RenderFrameImpl* Create(RenderViewImpl* render_view, int32 routing_id);
 
   // Creates a new RenderFrame with |routing_id| as a child of the RenderFrame
   // identified by |parent_routing_id| or as the top-level frame if the latter
   // is MSG_ROUTING_NONE. It creates the Blink WebLocalFrame and inserts it in
   // the proper place in the frame tree.
   // Note: This is called only when RenderFrame is being created in response to
   // IPC message from the browser process. All other frame creation is driven
   // through Blink and Create.
-  static void CreateFrame(int routing_id, int parent_routing_id);
+  static void CreateFrame(int routing_id,
+                          int parent_routing_id,
+                          const FrameMsg_NewFrame_WidgetParams& params);
 
   // Returns the RenderFrameImpl for the given routing ID.
   static RenderFrameImpl* FromRoutingID(int routing_id);
 
   // Just like RenderFrame::FromWebFrame but returns the implementation.
   static RenderFrameImpl* FromWebFrame(blink::WebFrame* web_frame);
 
   // Used by content_layouttest_support to hook into the creation of
   // RenderFrameImpls.
   static void InstallCreateHook(
@@ skipping 523 matching lines @@
 
   base::WeakPtr<RenderViewImpl> render_view_;
   int routing_id_;
   bool is_swapped_out_;
   // RenderFrameProxy exists only when is_swapped_out_ is true.
   // TODO(nasko): This can be removed once we don't have a swapped out state on
   // RenderFrame. See https://crbug.com/357747.
   RenderFrameProxy* render_frame_proxy_;
   bool is_detaching_;
 
+  // Used when the RenderFrame is a local frame root; for now RenderWidgets are
+  // added only when a child frame is in a different process from its parent
+  // frame, but eventually this will also apply to top-level frames.
+  // FIXME(kenrb): Correct the above statement when top-level frames have their
+  // own RenderWidgets.
+  scoped_refptr<RenderWidget> render_widget_;
+
 #if defined(ENABLE_PLUGINS)
   // Current text input composition text. Empty if no composition is in
   // progress.
   base::string16 pepper_composition_text_;
 #endif
 
   RendererWebCookieJarImpl cookie_jar_;
 
   // All the registered observers.
   ObserverList<RenderFrameObserver> observers_;
@@ skipping 97 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_