Rolling back change 22245.

chrome/browser/extensions/extension_function_dispatcher.h

Index: chrome/browser/extensions/extension_function_dispatcher.h
===================================================================
--- chrome/browser/extensions/extension_function_dispatcher.h	(revision 22246)
+++ chrome/browser/extensions/extension_function_dispatcher.h	(working copy)
@@ -14,7 +14,6 @@
 
 class Browser;
 class ExtensionFunction;
-class ExtensionHost;
 class Profile;
 class RenderViewHost;
 class RenderViewHostDelegate;
@@ -30,7 +29,6 @@
   class Delegate {
    public:
     virtual Browser* GetBrowser() = 0;
-    virtual ExtensionHost* GetExtensionHost() { return NULL; }
   };
 
   // The peer object allows us to notify ExtensionFunctions when we are
@@ -70,10 +68,6 @@
   // example, for positioning windows, or alert boxes, or creating tabs.
   Browser* GetBrowser();
 
-  // Gets the ExtensionHost associated with this object.  In the case of
-  // tab hosted extension pages, this will return NULL.
-  ExtensionHost* GetExtensionHost();
-
   // Handle a malformed message.  Possibly the result of an attack, so kill
   // the renderer.
   void HandleBadMessage(ExtensionFunction* api);