Pull in various gpu/command_buffer fixes from chromium

gpu/command_buffer/client/gles2_trace_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 202 matching lines @@
 GLint GetAttribLocation(GLuint program, const char* name) override;
 void GetBooleanv(GLenum pname, GLboolean* params) override;
 void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params) override;
 GLenum GetError() override;
 void GetFloatv(GLenum pname, GLfloat* params) override;
 GLint GetFragDataLocation(GLuint program, const char* name) override;
 void GetFramebufferAttachmentParameteriv(GLenum target,
                                          GLenum attachment,
                                          GLenum pname,
                                          GLint* params) override;
+void GetInteger64v(GLenum pname, GLint64* params) override;
+void GetIntegeri_v(GLenum pname, GLuint index, GLint* data) override;
+void GetInteger64i_v(GLenum pname, GLuint index, GLint64* data) override;
 void GetIntegerv(GLenum pname, GLint* params) override;
 void GetInternalformativ(GLenum target,
                          GLenum format,
                          GLenum pname,
                          GLsizei bufSize,
                          GLint* params) override;
 void GetProgramiv(GLuint program, GLenum pname, GLint* params) override;
 void GetProgramInfoLog(GLuint program,
                        GLsizei bufsize,
                        GLsizei* length,
@@ skipping 481 matching lines @@
                                   GLint bounds_height,
                                   GLfloat uv_x,
                                   GLfloat uv_y,
                                   GLfloat uv_width,
                                   GLfloat uv_height) override;
 void SwapInterval(GLint interval) override;
 void MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) override;
 void MatrixLoadIdentityCHROMIUM(GLenum matrixMode) override;
 void BlendBarrierKHR() override;
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_TRACE_IMPLEMENTATION_AUTOGEN_H_