Allow creating GLImage-backed textures with glTexStorage2D.

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 46 matching lines @@
     gfx::BufferFormat format,
     unsigned internalformat,
     int client_id,
     SurfaceHandle surface_handle) {
   return nullptr;
 }
 
 scoped_refptr<gl::GLImage> TextureImageFactory::CreateAnonymousImage(
     const gfx::Size& size,
     gfx::BufferFormat format,
+    gfx::BufferUsage usage,
     unsigned internalformat) {
   return new TextureImage(size);
 }
 
 unsigned TextureImageFactory::RequiredTextureType() {
   return required_texture_type_;
 }
 
 bool TextureImageFactory::SupportsFormatRGB() {
   return false;
 }
 
 void TextureImageFactory::SetRequiredTextureType(unsigned type) {
   required_texture_type_ = type;
 }
 
 }  // namespace gpu