[Command buffer] Enable primitive restart for WebGL 2

ui/gl/gl_mock_autogen_gl.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
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 504 matching lines @@
                   GLenum coordType,
                   const GLvoid* coords));
 MOCK_METHOD3(PathParameterfNV, void(GLuint path, GLenum pname, GLfloat value));
 MOCK_METHOD3(PathParameteriNV, void(GLuint path, GLenum pname, GLint value));
 MOCK_METHOD3(PathStencilFuncNV, void(GLenum func, GLint ref, GLuint mask));
 MOCK_METHOD0(PauseTransformFeedback, void());
 MOCK_METHOD2(PixelStorei, void(GLenum pname, GLint param));
 MOCK_METHOD2(PointParameteri, void(GLenum pname, GLint param));
 MOCK_METHOD2(PolygonOffset, void(GLfloat factor, GLfloat units));
 MOCK_METHOD0(PopGroupMarkerEXT, void());
+MOCK_METHOD1(PrimitiveRestartIndex, void(GLuint index));
 MOCK_METHOD4(ProgramBinary,
              void(GLuint program,
                   GLenum binaryFormat,
                   const GLvoid* binary,
                   GLsizei length));
 MOCK_METHOD3(ProgramParameteri,
              void(GLuint program, GLenum pname, GLint value));
 MOCK_METHOD5(ProgramPathFragmentInputGenNV,
              void(GLuint program,
                   GLint location,
@@ skipping 280 matching lines @@
                   const void* ptr));
 MOCK_METHOD6(VertexAttribPointer,
              void(GLuint indx,
                   GLint size,
                   GLenum type,
                   GLboolean normalized,
                   GLsizei stride,
                   const void* ptr));
 MOCK_METHOD4(Viewport, void(GLint x, GLint y, GLsizei width, GLsizei height));
 MOCK_METHOD3(WaitSync, GLenum(GLsync sync, GLbitfield flags, GLuint64 timeout));