gpu: Add CHROMIUM_copy_image extension.

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 2656 matching lines @@
 
 error::Error GLES2DecoderPassthroughImpl::DoReleaseTexImage2DCHROMIUM(
     GLenum target,
     GLint imageId) {
   // TODO(geofflang): error handling
   gl::GLImage* image = image_manager_->LookupImage(imageId);
   image->ReleaseTexImage(target);
   return error::kNoError;
 }
 
+error::Error GLES2DecoderPassthroughImpl::DoCopyImageSubDataCHROMIUM(
+    GLint source_image_id,
+    GLint dest_texture_id,
+    GLint xoffset,
+    GLint yoffset,
+    GLint x,
+    GLint y,
+    GLsizei width,
+    GLsizei height,
+    GLint in_fence_id,
+    GLint out_fence_id) {
+  NOTIMPLEMENTED();
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderPassthroughImpl::DoTraceBeginCHROMIUM(
     const char* category_name,
     const char* trace_name) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderPassthroughImpl::DoTraceEndCHROMIUM() {
   NOTIMPLEMENTED();
   return error::kNoError;
@@ skipping 382 matching lines @@
 GLES2DecoderPassthroughImpl::DoUniformMatrix4fvStreamTextureMatrixCHROMIUM(
     GLint location,
     GLboolean transpose,
     const volatile GLfloat* defaultValue) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 }  // namespace gles2
 }  // namespace gpu