Added support for TimeStamp queries using QueryCounterEXT.

ui/gl/gpu_timing_fake.h

 // Copyright 2015 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 UI_GL_GPU_TIMING_FAKE_H_
 #define UI_GL_GPU_TIMING_FAKE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 14 matching lines @@
 
   // Used to signal a disjoint occurred for disjoint timer queries.
   void SetDisjoint();
 
   // GPUTimer fake queries which can be called multiple times.
   void ExpectGetErrorCalls(MockGLInterface& gl);
   void ExpectDisjointCalls(MockGLInterface& gl);
   void ExpectNoDisjointCalls(MockGLInterface& gl);
 
   // GPUTimer fake queries which can only be called once per setup.
+  void ExpectGPUTimeStampQuery(MockGLInterface& gl, bool elapsed_query);
   void ExpectGPUTimerQuery(MockGLInterface& gl, bool elapsed_query);
   void ExpectOffsetCalculationQuery(MockGLInterface& gl);
   void ExpectNoOffsetCalculationQuery(MockGLInterface& gl);
 
   // Fake GL Functions.
   void FakeGLGenQueries(GLsizei n, GLuint* ids);
   void FakeGLDeleteQueries(GLsizei n, const GLuint* ids);
   void FakeGLBeginQuery(GLenum target, GLuint id);
   void FakeGLEndQuery(GLenum target);
   void FakeGLGetQueryObjectuiv(GLuint id, GLenum pname, GLuint* params);
@@ skipping 28 matching lines @@
       query_id_ = 0;
       begin_time_ = 0;
     }
   };
   ElapsedQuery current_elapsed_query_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GPU_TIMING_FAKE_H_