Added support for TimeStamp queries using QueryCounterEXT.

gpu/command_buffer/client/query_tracker_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.
 
 // Tests for the QueryTracker.
 
 #include "gpu/command_buffer/client/query_tracker.h"
 
 #include <GLES2/gl2ext.h>
 
@@ skipping 272 matching lines @@
     // Simulate GPU process marking it as available.
     QuerySync* sync = GetSync(query);
     sync->process_count = query->submit_count();
     sync->result = kResult;
 
     // Check FreeCompletedQueries.
     query_tracker_->FreeCompletedQueries();
     EXPECT_EQ(use_count_before_remove - 1, GetBucketUsedCount(bucket));
   }
 }
+
 }  // namespace gles2
 }  // namespace gpu