<webview>: Partially migrate loadcommit event from content to chrome

chrome/browser/webview/webview_guest.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 CHROME_BROWSER_WEBVIEW_WEBVIEW_GUEST_H_
 #define CHROME_BROWSER_WEBVIEW_WEBVIEW_GUEST_H_
 
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "content/public/browser/web_contents_observer.h"
@@ skipping 29 matching lines @@
   }
 
   int instance_id() const { return webview_instance_id_; }
 
   extensions::ScriptExecutor* script_executor() {
     return script_executor_.get();
   }
 
  private:
   virtual ~WebViewGuest();
+
+  void DispatchEvent(const std::string& event_name,
+                     scoped_ptr<DictionaryValue> event);
+
+  virtual void DidCommitProvisionalLoadForFrame(
+      int64 frame_id,
+      bool is_main_frame,
+      const GURL& url,
+      content::PageTransition transition_type,
+      content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void WebContentsDestroyed(
       content::WebContents* web_contents) OVERRIDE;
 
   void AddWebViewToExtensionRendererState();
   static void RemoveWebViewFromExtensionRendererState(
       content::WebContents* web_contents);
 
   content::WebContents* embedder_web_contents_;
   const std::string extension_id_;
   const int embedder_render_process_id_;
@@ skipping 11 matching lines @@
       script_observers_;
   scoped_ptr<extensions::ScriptExecutor> script_executor_;
 
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_WEBVIEW_WEBVIEW_GUEST_H_