WebVR: implement SetSurfaceHandleCHROMIUM extension for gvr_device.

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
index 5686838d47e5a01d8850eec96f3d719b24a2d063..4afb7d02bb6d7d171225eff4733cc416fcde7268 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
@@ -1581,6 +1581,11 @@ error::Error GLES2DecoderPassthroughImpl::DoScissor(GLint x,
   return error::kNoError;
 }
 
+error::Error GLES2DecoderPassthroughImpl::DoSetSurfaceHandleCHROMIUM(
+    GLint surface_handle) {
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderPassthroughImpl::DoShaderBinary(GLsizei n,
                                                          const GLuint* shaders,
                                                          GLenum binaryformat,