Dispatch the following IPC messages in TabContents and handle them via the TabContentsDelegate

chrome/browser/ui/tab_contents/tab_contents_wrapper.h

 // Copyright (c) 2011 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_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 229 matching lines @@
   InfoBarDelegate* GetInfoBarDelegateAt(size_t index);
   void set_infobars_enabled(bool value) { infobars_enabled_ = value; }
 
   // Stop this tab rendering in fullscreen mode.
   void ExitFullscreenMode();
 
  private:
   // Internal helpers ----------------------------------------------------------
 
   // Message handlers.
-  void OnJSOutOfMemory();
-  void OnRegisterProtocolHandler(const std::string& protocol,
-                                 const GURL& url,
-                                 const string16& title);
-  void OnRegisterIntentHandler(const string16& action,
-                               const string16& type,
-                               const string16& href,
-                               const string16& title);
-  void OnWebIntentDispatch(const IPC::Message& message,
-                           const string16& action,
-                           const string16& type,
-                           const string16& data,
-                           int intent_id);
   void OnSnapshot(const SkBitmap& bitmap);
   void OnPDFHasUnsupportedFeature();
   void OnDidBlockDisplayingInsecureContent();
   void OnDidBlockRunningInsecureContent();
 
   // Returns the server that can provide alternate error pages.  If the returned
   // URL is empty, the default error page built into WebKit will be used.
   GURL GetAlternateErrorPageURL() const;
 
   // Send the alternate error page URL to the renderer.
@@ skipping 89 matching lines @@
 
   // The supporting objects need to outlive the TabContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<TabContents> tab_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsWrapper);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_