Allows extension-devtools api to survive page navigation.

chrome/browser/extensions/extension_devtools_bridge.h

Index: chrome/browser/extensions/extension_devtools_bridge.h
===================================================================
--- chrome/browser/extensions/extension_devtools_bridge.h	(revision 30714)
+++ chrome/browser/extensions/extension_devtools_bridge.h	(working copy)
@@ -13,7 +13,6 @@
 #include "chrome/browser/extensions/extension_message_service.h"
 
 class Profile;
-class RenderViewHost;
 
 // This class is a DevToolsClientHost that fires extension events.
 class ExtensionDevToolsBridge : public DevToolsClientHost {
@@ -40,8 +39,6 @@
 
   // ID of the tab we are monitoring.
   int tab_id_;
-  // Host of the tab we are monitoring, NULL if not monitoring anything.
-  RenderViewHost* inspected_rvh_;
 
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
   scoped_refptr<ExtensionMessageService> extension_message_service_;