Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/browser/extensions/extension_process_manager.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_process_manager.h"
 
 #include "chrome/browser/browser_window.h"
 #include "content/browser/browsing_instance.h"
 #if defined(OS_MACOSX)
 #include "chrome/browser/extensions/extension_host_mac.h"
 #endif
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_action.h"
-#include "chrome/common/render_messages.h"
+#include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/notification_service.h"
 #include "content/common/notification_type.h"
 
 namespace {
 
 // Incognito profiles use this process manager. It is mostly a shim that decides
@@ skipping 200 matching lines @@
   ExtensionService* extension_service =
       browsing_instance_->profile()->GetExtensionService();
 
   std::vector<std::string> page_action_ids;
   const Extension* extension =
       extension_service->GetExtensionById(extension_id, false);
   if (extension->page_action())
     page_action_ids.push_back(extension->page_action()->id());
 
   RenderProcessHost* rph = RenderProcessHost::FromID(process_id);
-  rph->Send(new ViewMsg_Extension_UpdatePageActions(extension_id,
-                                                    page_action_ids));
+  rph->Send(new ExtensionMsg_UpdatePageActions(extension_id, page_action_ids));
 }
 
 void ExtensionProcessManager::UnregisterExtensionProcess(int process_id) {
   ProcessIDMap::iterator it = process_ids_.begin();
   while (it != process_ids_.end()) {
     if (it->second == process_id)
       process_ids_.erase(it++);
     else
       ++it;
   }
@@ skipping 211 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHosts(this, service->extensions());
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }