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

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 632 matching lines @@
   static Browser* GetOrCreateTabbedBrowser(Profile* profile);
 
   // Helper function to display the file selection dialog.
   static void RunFileChooserHelper(
       TabContents* tab, const ViewHostMsg_RunFileChooser_Params& params);
 
   // Helper function to enumerate a directory.
   static void EnumerateDirectoryHelper(TabContents* tab, int request_id,
                                        const FilePath& path);
 
+  // Helper function to handle JS out of memory notifications
+  static void JSOutOfMemoryHelper(TabContents* tab);
+
+  // Helper function to register a protocol handler.
+  static void RegisterProtocolHandlerHelper(TabContents* tab,
+                                            const std::string& protocol,
+                                            const GURL& url,
+                                            const string16& title);
+
+  // Helper function to register an intent handler.
+  static void RegisterIntentHandlerHelper(TabContents* tab,
+                                          const string16& action,
+                                          const string16& type,
+                                          const string16& href,
+                                          const string16& title);
+
+  // Helper function to handle WebIntent notifications.
+  static void WebIntentDispatchHelper(TabContents* tab,
+                                      int routing_id,
+                                      const string16& action,
+                                      const string16& type,
+                                      const string16& data,
+                                      int intent_id);
+
   // Calls ExecuteCommandWithDisposition with the given disposition.
   void ExecuteCommandWithDisposition(int id, WindowOpenDisposition);
 
   // Executes a command if it's enabled.
   // Returns true if the command is executed.
   bool ExecuteCommandIfEnabled(int id);
 
   // Returns true if |command_id| is a reserved command whose keyboard shortcuts
   // should not be sent to the renderer or |event| was triggered by a key that
   // we never want to send to the renderer.
@@ skipping 239 matching lines @@
   virtual void DidNavigateToPendingEntry(TabContents* tab) OVERRIDE;
   virtual content::JavaScriptDialogCreator*
   GetJavaScriptDialogCreator() OVERRIDE;
   virtual void RunFileChooser(
       TabContents* tab,
       const ViewHostMsg_RunFileChooser_Params& params) OVERRIDE;
   virtual void EnumerateDirectory(TabContents* tab, int request_id,
                                 const FilePath& path) OVERRIDE;
   virtual void ToggleFullscreenModeForTab(TabContents* tab,
       bool enter_fullscreen) OVERRIDE;
+  virtual void JSOutOfMemory(TabContents* tab) OVERRIDE;
+  virtual void RegisterProtocolHandler(TabContents* tab,
+                                       const std::string& protocol,
+                                       const GURL& url,
+                                       const string16& title) OVERRIDE;
+  virtual void RegisterIntentHandler(TabContents* tab,
+                                     const string16& action,
+                                     const string16& type,
+                                     const string16& href,
+                                     const string16& title) OVERRIDE;
+  virtual void WebIntentDispatch(TabContents* tab,
+                                 int routing_id,
+                                 const string16& action,
+                                 const string16& type,
+                                 const string16& data,
+                                 int intent_id) OVERRIDE;
 
   // Overridden from TabContentsWrapperDelegate:
   virtual void OnDidGetApplicationInfo(TabContentsWrapper* source,
                                        int32 page_id) OVERRIDE;
   virtual void OnInstallApplication(
       TabContentsWrapper* source,
       const WebApplicationInfo& app_info) OVERRIDE;
 
   // Note that the caller is responsible for deleting |old_tab_contents|.
   virtual void SwapTabContents(TabContentsWrapper* old_tab_contents,
@@ skipping 412 matching lines @@
   // Tab to notify when the browser exits fullscreen mode.
   TabContentsWrapper* fullscreened_tab_;
 
   // True if the current tab is in fullscreen mode.
   bool tab_caused_fullscreen_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_