gpu: Add CHROMIUM_texture_from_image spec and fence support.

gpu/command_buffer/service/texture_definition.cc

 // Copyright 2014 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/texture_definition.h"
 
 #include <stdint.h>
 
 #include <list>
 
@@ skipping 19 matching lines @@
 namespace {
 
 class GLImageSync : public gl::GLImage {
  public:
   explicit GLImageSync(const scoped_refptr<NativeImageBuffer>& buffer,
                        const gfx::Size& size);
 
   // Implement GLImage.
   gfx::Size GetSize() override;
   unsigned GetInternalFormat() override;
-  bool BindTexImage(unsigned target) override;
+  bool BindTexImage(unsigned target, gl::GLFence* fence) override;
   void ReleaseTexImage(unsigned target) override;
   bool CopyTexImage(unsigned target) override;
   bool CopyTexSubImage(unsigned target,
                        const gfx::Point& offset,
                        const gfx::Rect& rect) override;
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int z_order,
                             gfx::OverlayTransform transform,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override;
@@ skipping 25 matching lines @@
 }
 
 gfx::Size GLImageSync::GetSize() {
   return size_;
 }
 
 unsigned GLImageSync::GetInternalFormat() {
   return GL_RGBA;
 }
 
-bool GLImageSync::BindTexImage(unsigned target) {
+bool GLImageSync::BindTexImage(unsigned target, gl::GLFence* fence) {
   NOTREACHED();
   return false;
 }
 
 void GLImageSync::ReleaseTexImage(unsigned target) {
   NOTREACHED();
 }
 
 bool GLImageSync::CopyTexImage(unsigned target) {
   return false;
@@ skipping 364 matching lines @@
   return true;
 }
 
 bool TextureDefinition::SafeToRenderFrom() const {
   return level_info_.cleared_rect.Contains(
       gfx::Rect(level_info_.width, level_info_.height));
 }
 
 }  // namespace gles2
 }  // namespace gpu