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

chrome/browser/extensions/user_script_master.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/user_script_master.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 220 matching lines @@
   }
 }
 
 // Pickle user scripts and return pointer to the shared memory.
 static base::SharedMemory* Serialize(const UserScriptList& scripts) {
   Pickle pickle;
   pickle.WriteSize(scripts.size());
   for (size_t i = 0; i < scripts.size(); i++) {
     const UserScript& script = scripts[i];
     // TODO(aa): This can be replaced by sending content script metadata to
-    // renderers along with other extension data in ViewMsg_ExtensionLoaded.
+    // renderers along with other extension data in ExtensionMsg_Loaded.
     // See crbug.com/70516.
     script.Pickle(&pickle);
     // Write scripts as 'data' so that we can read it out in the slave without
     // allocating a new string.
     for (size_t j = 0; j < script.js_scripts().size(); j++) {
       base::StringPiece contents = script.js_scripts()[j].GetContent();
       pickle.WriteData(contents.data(), contents.length());
     }
     for (size_t j = 0; j < script.css_scripts().size(); j++) {
       base::StringPiece contents = script.css_scripts()[j].GetContent();
@@ skipping 146 matching lines @@
       DCHECK(false);
   }
 }
 
 void UserScriptMaster::StartScan() {
   if (!script_reloader_)
     script_reloader_ = new ScriptReloader(this);
 
   script_reloader_->StartScan(user_script_dir_, lone_scripts_);
 }