[Sync] Rename csync namespace to syncer

sync/notifier/push_client_channel_unittest.cc

 // Copyright (c) 2012 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 "sync/notifier/push_client_channel.h"
 
 #include <cstddef>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "jingle/notifier/listener/fake_push_client.h"
 #include "jingle/notifier/listener/notification_defines.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace csync {
+namespace syncer {
 namespace {
 
 class PushClientChannelTest : public ::testing::Test {
  protected:
   PushClientChannelTest()
       : fake_push_client_(new notifier::FakePushClient()),
         push_client_channel_(
             scoped_ptr<notifier::PushClient>(fake_push_client_)),
         connected_(false) {
     push_client_channel_.SetMessageReceiver(
@@ skipping 217 matching lines @@
     EXPECT_TRUE(PushClientChannel::DecodeMessageForTest(
         fake_push_client_->sent_notifications()[1],
         &message, &service_context, &scheduling_hash));
     EXPECT_EQ(kMessage, message);
     EXPECT_EQ(kServiceContext, service_context);
     EXPECT_EQ(kSchedulingHash, scheduling_hash);
   }
 }
 
 }  // namespace
-}  // namespace csync
+}  // namespace syncer