Move gcm-independent parts of push messaging out of gcm namespace and directory

chrome/browser/push_messaging/push_messaging_application_id_unittest.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 "chrome/browser/services/gcm/push_messaging_application_id.h"
+#include "chrome/browser/push_messaging/push_messaging_application_id.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace gcm {
-
 class PushMessagingApplicationIdTest : public testing::Test {
  protected:
   PushMessagingApplicationId GenerateId(
       const GURL& origin,
       int64 service_worker_registration_id) {
     // To bypass DCHECK in PushMessagingApplicationId::Generate, we just use it
     // to generate app_id_guid, and then use private constructor.
     std::string app_id_guid = gcm::PushMessagingApplicationId::Generate(
         GURL("https://www.example.com/"), 1).app_id_guid();
     return PushMessagingApplicationId(app_id_guid, origin,
@@ skipping 10 matching lines @@
   EXPECT_FALSE(GenerateId(GURL("https://www.example.com/#foo"), 1).IsValid());
   EXPECT_FALSE(GenerateId(GURL("https://www.example.com/"), -1).IsValid());
 }
 
 TEST_F(PushMessagingApplicationIdTest, UniqueGuids) {
   EXPECT_NE(gcm::PushMessagingApplicationId::Generate(
                 GURL("https://www.example.com/"), 1).app_id_guid(),
             gcm::PushMessagingApplicationId::Generate(
                 GURL("https://www.example.com/"), 1).app_id_guid());
 }
-
-}  // namespace gcm