Make WebContentsImpl aware of all of its RWHs.

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 542 matching lines @@
   void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
                       const OpenURLParams& params) override;
   bool ShouldPreserveAbortedURLs() override;
   void DidStartLoading(FrameTreeNode* frame_tree_node,
                        bool to_different_document) override;
   void DidStopLoading() override;
   void DidChangeLoadProgress() override;
 
   // RenderWidgetHostDelegate --------------------------------------------------
 
+  void RenderWidgetCreated(RenderWidgetHostImpl* render_widget_host) override;
   void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override;
   void RenderWidgetGotFocus(RenderWidgetHostImpl* render_widget_host) override;
   void RenderWidgetWasResized(RenderWidgetHostImpl* render_widget_host,
                               bool width_changed) override;
   void ResizeDueToAutoResize(RenderWidgetHostImpl* render_widget_host,
                              const gfx::Size& new_size) override;
   void ScreenInfoChanged() override;
   bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                               bool* is_keyboard_shortcut) override;
   void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) override;
@@ skipping 776 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_