[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/test/engine/syncer_command_test.h

 // 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.
 
 #ifndef SYNC_TEST_ENGINE_SYNCER_COMMAND_TEST_H_
 #define SYNC_TEST_ENGINE_SYNCER_COMMAND_TEST_H_
 
 #include <algorithm>
 #include <string>
 #include <vector>
@@ skipping 13 matching lines @@
 #include "sync/test/engine/mock_connection_manager.h"
 #include "sync/test/engine/test_directory_setter_upper.h"
 #include "sync/test/fake_extensions_activity_monitor.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::NiceMock;
 
 namespace syncer {
 
-class MockDebugInfoGetter : public syncer::sessions::DebugInfoGetter {
+class MockDebugInfoGetter : public sessions::DebugInfoGetter {
  public:
   MockDebugInfoGetter();
   virtual ~MockDebugInfoGetter();
   MOCK_METHOD1(GetAndClearDebugInfo, void(sync_pb::DebugInfo* debug_info));
 };
 
 // A test fixture that simplifies writing unit tests for individual
 // SyncerCommands, providing convenient access to a test directory
 // and a syncer session.
 class SyncerCommandTestBase : public testing::Test,
@@ skipping 48 matching lines @@
 
   virtual ~SyncerCommandTestBase();
   virtual void SetUp();
   virtual void TearDown();
 
   sessions::SyncSessionContext* context() const { return context_.get(); }
   sessions::SyncSession::Delegate* delegate() { return this; }
 
   // Lazily create a session requesting all datatypes with no payload.
   sessions::SyncSession* session() {
-    syncer::ModelTypePayloadMap types =
+    ModelTypePayloadMap types =
         ModelSafeRoutingInfoToPayloadMap(routing_info_, std::string());
     return session(sessions::SyncSourceInfo(types));
   }
 
   // Create a session with the provided source.
   sessions::SyncSession* session(const sessions::SyncSourceInfo& source) {
     if (!session_.get()) {
       std::vector<ModelSafeWorker*> workers = GetWorkers();
       session_.reset(new sessions::SyncSession(context(), delegate(), source,
                      routing_info_, workers));
@@ skipping 113 matching lines @@
 
   virtual void SetUp() OVERRIDE;
 
   TestUnrecoverableErrorHandler handler_;
   syncable::MockDirectory mock_directory_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_TEST_ENGINE_SYNCER_COMMAND_TEST_H_