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

sync/engine/syncer_proto_util_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/engine/syncer_proto_util.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 189 matching lines @@
   EXPECT_TRUE(directory()->store_birthday().empty());
   ClientToServerMessage msg;
   SyncerProtoUtil::AddRequestBirthday(directory(), &msg);
   EXPECT_FALSE(msg.has_store_birthday());
 
   directory()->set_store_birthday("meat");
   SyncerProtoUtil::AddRequestBirthday(directory(), &msg);
   EXPECT_EQ(msg.store_birthday(), "meat");
 }
 
-class DummyConnectionManager : public syncer::ServerConnectionManager {
+class DummyConnectionManager : public ServerConnectionManager {
  public:
   DummyConnectionManager()
       : ServerConnectionManager("unused", 0, false),
         send_error_(false),
         access_denied_(false) {}
 
   virtual ~DummyConnectionManager() {}
   virtual bool PostBufferWithCachedAuth(
       PostBufferParams* params,
       ScopedServerStatusWatcher* watcher) OVERRIDE {
@@ skipping 40 matching lines @@
       msg, &response));
 
   dcm.set_access_denied(true);
   EXPECT_FALSE(SyncerProtoUtil::PostAndProcessHeaders(&dcm, NULL,
       msg, &response));
 }
 
 TEST_F(SyncerProtoUtilTest, HandleThrottlingWithDatatypes) {
   ThrottledDataTypeTracker tracker(NULL);
   SyncProtocolError error;
-  error.error_type = syncer::THROTTLED;
-  syncer::ModelTypeSet types;
-  types.Put(syncer::BOOKMARKS);
-  types.Put(syncer::PASSWORDS);
+  error.error_type = THROTTLED;
+  ModelTypeSet types;
+  types.Put(BOOKMARKS);
+  types.Put(PASSWORDS);
   error.error_data_types = types;
 
   base::TimeTicks ticks = base::TimeTicks::FromInternalValue(1);
   SyncerProtoUtil::HandleThrottleError(error, ticks, &tracker, NULL);
   EXPECT_TRUE(tracker.GetThrottledTypes().Equals(types));
 }
 
 TEST_F(SyncerProtoUtilTest, HandleThrottlingNoDatatypes) {
   ThrottledDataTypeTracker tracker(NULL);
   MockDelegate delegate;
   SyncProtocolError error;
-  error.error_type = syncer::THROTTLED;
+  error.error_type = THROTTLED;
 
   base::TimeTicks ticks = base::TimeTicks::FromInternalValue(1);
 
   EXPECT_CALL(delegate, OnSilencedUntil(ticks));
 
   SyncerProtoUtil::HandleThrottleError(error, ticks, &tracker, &delegate);
   EXPECT_TRUE(tracker.GetThrottledTypes().Empty());
 }
 }  // namespace syncer