cc: Adding support for RGBA_4444 tile textures

cc/resources/resource.cc

 // Copyright 2012 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 "cc/resources/resource.h"
-#include "third_party/khronos/GLES2/gl2ext.h"
 
 namespace cc {
 
 size_t Resource::bytes() const {
   if (size_.IsEmpty())
     return 0;
 
   return MemorySizeBytes(size_, format_);
 }
 
-size_t Resource::BytesPerPixel(GLenum format) {
-  size_t components_per_pixel = 0;
-  size_t bytes_per_component = 1;
-  switch (format) {
-    case GL_RGBA:
-    case GL_BGRA_EXT:
-      components_per_pixel = 4;
-      break;
-    case GL_LUMINANCE:
-      components_per_pixel = 1;
-      break;
-    default:
-      NOTREACHED();
-  }
-  return components_per_pixel * bytes_per_component;
+size_t Resource::MemorySizeBytes(gfx::Size size, ResourceFormat format) {
+  return ResourceProvider::BytesPerPixel(format) * size.width() * size.height();
 }
 
-size_t Resource::MemorySizeBytes(gfx::Size size, GLenum format) {
-  return BytesPerPixel(format) * size.width() * size.height();
-}
-
-
 }  // namespace cc