Cleanup: Remove unneeded forward declarations in chrome/browser/sync.

chrome/browser/sync/engine/syncer_proto_util_unittest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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/sync/engine/syncer_proto_util.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/sync/engine/syncproto.h"
 #include "chrome/browser/sync/syncable/blob.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
 #include "chrome/browser/sync/test/engine/mock_connection_manager.h"
 #include "chrome/browser/sync/test/engine/test_directory_setter_upper.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using syncable::Blob;
 using syncable::ScopedDirLookup;
-using syncable::SyncName;
 
 namespace browser_sync {
 
 TEST(SyncerProtoUtil, TestBlobToProtocolBufferBytesUtilityFunctions) {
   unsigned char test_data1[] = {1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 4, 2, 9};
   unsigned char test_data2[] = {1, 99, 3, 4, 5, 6, 7, 8, 0, 1, 4, 2, 9};
   unsigned char test_data3[] = {99, 2, 3, 4, 5, 6, 7, 8};
 
   syncable::Blob test_blob1, test_blob2, test_blob3;
   for (size_t i = 0; i < arraysize(test_data1); ++i)
@@ skipping 200 matching lines @@
   dcm.set_send_error(false);
   EXPECT_TRUE(SyncerProtoUtil::PostAndProcessHeaders(&dcm, NULL,
       msg, &response));
 
   dcm.set_access_denied(true);
   EXPECT_FALSE(SyncerProtoUtil::PostAndProcessHeaders(&dcm, NULL,
       msg, &response));
 }
 
 }  // namespace browser_sync