WebVR: implement SetSurfaceHandleCHROMIUM extension for gvr_device.

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doer_prototypes.h

 // Copyright (c) 2016 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.
 
 error::Error DoActiveTexture(GLenum texture);
 error::Error DoAttachShader(GLuint program, GLuint shader);
 error::Error DoBindAttribLocation(GLuint program,
                                   GLuint index,
                                   const char* name);
 error::Error DoBindBuffer(GLenum target, GLuint buffer);
@@ skipping 419 matching lines @@
 error::Error DoSampleCoverage(GLclampf value, GLboolean invert);
 error::Error DoSamplerParameterf(GLuint sampler, GLenum pname, GLfloat param);
 error::Error DoSamplerParameterfv(GLuint sampler,
                                   GLenum pname,
                                   const volatile GLfloat* params);
 error::Error DoSamplerParameteri(GLuint sampler, GLenum pname, GLint param);
 error::Error DoSamplerParameteriv(GLuint sampler,
                                   GLenum pname,
                                   const volatile GLint* params);
 error::Error DoScissor(GLint x, GLint y, GLsizei width, GLsizei height);
+error::Error DoSetSurfaceHandleCHROMIUM(GLint surface_handle);
 error::Error DoShaderBinary(GLsizei n,
                             const GLuint* shaders,
                             GLenum binaryformat,
                             const void* binary,
                             GLsizei length);
 error::Error DoShaderSource(GLuint shader,
                             GLsizei count,
                             const char** str,
                             const GLint* length);
 error::Error DoStencilFunc(GLenum func, GLint ref, GLuint mask);
@@ skipping 493 matching lines @@
                                    GLint* index);
 error::Error DoUniformMatrix4fvStreamTextureMatrixCHROMIUM(
     GLint location,
     GLboolean transpose,
     const volatile GLfloat* defaultValue);
 
 error::Error DoOverlayPromotionHintCHROMIUM(GLuint texture,
                                             GLboolean promotion_hint,
                                             GLint display_x,
                                             GLint display_y);