Implement a permission check for push.

chrome/browser/services/gcm/gcm_permission_context.cc

Index: chrome/browser/services/gcm/gcm_permission_context.cc
diff --git a/chrome/browser/services/gcm/gcm_permission_context.cc b/chrome/browser/services/gcm/gcm_permission_context.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7d392325861f88918c83a96e72288466cb1a7595
--- /dev/null
+++ b/chrome/browser/services/gcm/gcm_permission_context.cc
@@ -0,0 +1,15 @@
+// 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 "chrome/browser/services/gcm/gcm_permission_context.h"
+
+namespace gcm {
+
+GCMPermissionContext::GCMPermissionContext(Profile* profile)
+    : PermissionContextBase(profile, CONTENT_SETTINGS_TYPE_PUSH_MESSAGING) {
+}
+
+GCMPermissionContext::~GCMPermissionContext() {
+}
+}  // namespace gcm