Add support for gcm_sender_id in Manifest.

content/renderer/manifest/manifest_manager.cc

 // Copyright 2014 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 "content/renderer/manifest/manifest_manager.h"
 
 #include "base/bind.h"
 #include "base/strings/nullable_string16.h"
 #include "content/common/manifest_manager_messages.h"
 #include "content/public/renderer/render_frame.h"
@@ skipping 47 matching lines @@
   ipc_manifest.short_name = base::NullableString16(
         ipc_manifest.short_name.string().substr(0,
                                                 Manifest::kMaxIPCStringLength),
         ipc_manifest.short_name.is_null());
   for (size_t i = 0; i < ipc_manifest.icons.size(); ++i) {
     ipc_manifest.icons[i].type = base::NullableString16(
         ipc_manifest.icons[i].type.string().substr(
             0, Manifest::kMaxIPCStringLength),
         ipc_manifest.icons[i].type.is_null());
   }
+  ipc_manifest.gcm_sender_id = base::NullableString16(
+        ipc_manifest.gcm_sender_id.string().substr(
+            0, Manifest::kMaxIPCStringLength),
+        ipc_manifest.gcm_sender_id.is_null());
 
   Send(new ManifestManagerHostMsg_RequestManifestResponse(
       routing_id(), request_id, ipc_manifest));
 }
 
 void ManifestManager::GetManifest(const GetManifestCallback& callback) {
   if (!may_have_manifest_) {
     callback.Run(Manifest());
     return;
   }
@@ skipping 61 matching lines @@
 
   pending_callbacks_.clear();
 
   for (std::list<GetManifestCallback>::const_iterator it = callbacks.begin();
        it != callbacks.end(); ++it) {
     it->Run(manifest);
   }
 }
 
 } // namespace content