WebVR: implement SetSurfaceHandleCHROMIUM extension for gvr_device.

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_passthrough.h"
 
 #include "base/strings/string_number_conversions.h"
 
 namespace gpu {
 namespace gles2 {
@@ skipping 1445 matching lines @@
 }
 
 error::Error GLES2DecoderPassthroughImpl::DoScissor(GLint x,
                                                     GLint y,
                                                     GLsizei width,
                                                     GLsizei height) {
   glScissor(x, y, width, height);
   return error::kNoError;
 }
 
+error::Error GLES2DecoderPassthroughImpl::DoSetSurfaceHandleCHROMIUM(
+    GLint surface_handle) {

[piman, 2016/11/09 17:50:07]

Raise an error if not implemented?
What is the plan for implementing this in the passthrough decoder?

+  return error::kNoError;
+}
+
 error::Error GLES2DecoderPassthroughImpl::DoShaderBinary(GLsizei n,
                                                          const GLuint* shaders,
                                                          GLenum binaryformat,
                                                          const void* binary,
                                                          GLsizei length) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderPassthroughImpl::DoShaderSource(GLuint shader,
@@ skipping 1547 matching lines @@
 GLES2DecoderPassthroughImpl::DoUniformMatrix4fvStreamTextureMatrixCHROMIUM(
     GLint location,
     GLboolean transpose,
     const volatile GLfloat* defaultValue) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 }  // namespace gles2
 }  // namespace gpu