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

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
===================================================================
--- chrome/browser/ui/browser.h	(revision 98271)
+++ chrome/browser/ui/browser.h	(working copy)
@@ -650,6 +650,30 @@
   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);
 
@@ -909,6 +933,22 @@
                                 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,