Added support for TimeStamp queries using QueryCounterEXT.

gpu/command_buffer/client/gles2_implementation_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 771 matching lines @@
 void TexStorage2DEXT(GLenum target,
                      GLsizei levels,
                      GLenum internalFormat,
                      GLsizei width,
                      GLsizei height) override;
 
 void GenQueriesEXT(GLsizei n, GLuint* queries) override;
 
 void DeleteQueriesEXT(GLsizei n, const GLuint* queries) override;
 
+void QueryCounterEXT(GLuint id, GLenum target) override;
+
 GLboolean IsQueryEXT(GLuint id) override;
 
 void BeginQueryEXT(GLenum target, GLuint id) override;
 
 void BeginTransformFeedback(GLenum primitivemode) override;
 
 void EndQueryEXT(GLenum target) override;
 
 void EndTransformFeedback() override;
 
@@ skipping 292 matching lines @@
 void StencilThenCoverStrokePathCHROMIUM(GLuint path,
                                         GLint reference,
                                         GLuint mask,
                                         GLenum coverMode) override;
 
 GLenum GetGraphicsResetStatusKHR() override;
 
 void BlendBarrierKHR() override;
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_