[Sync] Rename csync namespace to syncer

sync/engine/sync_scheduler_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 "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 12 matching lines @@
 using base::TimeTicks;
 using testing::_;
 using testing::AtLeast;
 using testing::DoAll;
 using testing::Eq;
 using testing::Invoke;
 using testing::Mock;
 using testing::Return;
 using testing::WithArg;
 
-namespace csync {
+namespace syncer {
 using sessions::SyncSession;
 using sessions::SyncSessionContext;
 using sessions::SyncSessionSnapshot;
 using syncable::ModelTypeSet;
 using sync_pb::GetUpdatesCallerInfo;
 
 class MockSyncer : public Syncer {
  public:
   MOCK_METHOD3(SyncShare, void(sessions::SyncSession*, SyncerStep,
                                SyncerStep));
@@ skipping 1089 matching lines @@
       zero(), NUDGE_SOURCE_LOCAL, ModelTypeSet(), FROM_HERE);
   PumpLoop();
   // Pump again to run job.
   PumpLoop();
 
   StopSyncScheduler();
 
   EXPECT_TRUE(expected == context()->previous_session_routing_info());
 }
 
-}  // namespace csync
+}  // namespace syncer