gpu: Add CHROMIUM_texture_from_image spec and fence support.

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 2634 matching lines @@
     GLuint program,
     GLint location,
     const char* name) {
   glBindUniformLocationCHROMIUM(GetProgramServiceID(program, resources_),
                                 location, name);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderPassthroughImpl::DoBindTexImage2DCHROMIUM(
     GLenum target,
-    GLint imageId) {
+    GLint imageId,
+    GLint fenceId) {
   // TODO(geofflang): error handling
   gl::GLImage* image = image_manager_->LookupImage(imageId);
-  if (!image->BindTexImage(target)) {
+  gl::GLFence* fence = nullptr;
+  if (fenceId)
+    fence = fence_manager_->LookupFence(fenceId);
+  if (!image->BindTexImage(target, fence)) {
     image->CopyTexImage(target);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderPassthroughImpl::DoReleaseTexImage2DCHROMIUM(
     GLenum target,
     GLint imageId) {
   // TODO(geofflang): error handling
   gl::GLImage* image = image_manager_->LookupImage(imageId);
@@ skipping 396 matching lines @@
 GLES2DecoderPassthroughImpl::DoUniformMatrix4fvStreamTextureMatrixCHROMIUM(
     GLint location,
     GLboolean transpose,
     const volatile GLfloat* defaultValue) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 }  // namespace gles2
 }  // namespace gpu