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

chrome/common/extensions/extension_localization_peer.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/common/extensions/extension_localization_peer.h"
 
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/common/extensions/extension_message_bundle.h"
-#include "chrome/common/render_messages.h"
+#include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "webkit/glue/webkit_glue.h"
 
 ExtensionLocalizationPeer::ExtensionLocalizationPeer(
     webkit_glue::ResourceLoaderBridge::Peer* peer,
     IPC::Message::Sender* message_sender,
     const GURL& request_url)
@@ skipping 72 matching lines @@
   if (!message_sender_ || data_.empty())
     return;
 
   if (!request_url_.is_valid())
     return;
 
   std::string extension_id = request_url_.host();
   L10nMessagesMap* l10n_messages = GetL10nMessagesMap(extension_id);
   if (!l10n_messages) {
     L10nMessagesMap messages;
-    message_sender_->Send(new ViewHostMsg_GetExtensionMessageBundle(
+    message_sender_->Send(new ExtensionHostMsg_GetMessageBundle(
         extension_id, &messages));
 
     // Save messages we got, so we don't have to ask again.
     // Messages map is never empty, it contains at least @@extension_id value.
     ExtensionToL10nMessagesMap& l10n_messages_map =
         *GetExtensionToL10nMessagesMap();
     l10n_messages_map[extension_id] = messages;
 
     l10n_messages = GetL10nMessagesMap(extension_id);
   }
 
   std::string error;
   if (ExtensionMessageBundle::ReplaceMessagesWithExternalDictionary(
           *l10n_messages, &data_, &error)) {
     data_.resize(data_.size());
   }
 }