gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/tests/texture_image_factory.cc

 // Copyright 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/tests/texture_image_factory.h"
 
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_image.h"
 
 namespace gpu {
@@ skipping 14 matching lines @@
                  GetInternalFormat(), GL_UNSIGNED_BYTE, nullptr);
     return true;
   }
   void ReleaseTexImage(unsigned target) override {}
   bool CopyTexImage(unsigned target) override { return false; }
   bool CopyTexSubImage(unsigned target,
                        const gfx::Point& offset,
                        const gfx::Rect& rect) override {
     return false;
   }
+  bool CopySubImageData(unsigned texture_id,
+                        const gfx::Point& offset,
+                        const gfx::Rect& rect,
+                        gl::GLFence* in_fence,
+                        gl::GLFence* out_fence) override {
+    return false;
+  }
 
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int z_order,
                             gfx::OverlayTransform transform,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override {
     return false;
   }
 
   void Flush() override {}
@@ skipping 30 matching lines @@
 
 bool TextureImageFactory::SupportsFormatRGB() {
   return false;
 }
 
 void TextureImageFactory::SetRequiredTextureType(unsigned type) {
   required_texture_type_ = type;
 }
 
 }  // namespace gpu