Break Sky's dependency on cc

sky/viewer/cc/web_image_layer_impl.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 "sky/viewer/cc/web_image_layer_impl.h"
-
-#include "sky/viewer/cc/web_layer_impl.h"
-#include "sky/viewer/cc/web_layer_impl_fixed_bounds.h"
-#include "cc/layers/image_layer.h"
-#include "cc/layers/picture_image_layer.h"
-
-namespace sky_viewer_cc {
-
-WebImageLayerImpl::WebImageLayerImpl() {
-  if (WebLayerImpl::UsingPictureLayer())
-    layer_.reset(new WebLayerImplFixedBounds(cc::PictureImageLayer::Create()));
-  else
-    layer_.reset(new WebLayerImpl(cc::ImageLayer::Create()));
-}
-
-WebImageLayerImpl::~WebImageLayerImpl() {
-}
-
-blink::WebLayer* WebImageLayerImpl::layer() {
-  return layer_.get();
-}
-
-void WebImageLayerImpl::setBitmap(SkBitmap bitmap) {
-  if (WebLayerImpl::UsingPictureLayer()) {
-    static_cast<cc::PictureImageLayer*>(layer_->layer())->SetBitmap(bitmap);
-    static_cast<WebLayerImplFixedBounds*>(layer_.get())
-        ->SetFixedBounds(gfx::Size(bitmap.width(), bitmap.height()));
-  } else {
-    static_cast<cc::ImageLayer*>(layer_->layer())->SetBitmap(bitmap);
-  }
-}
-
-}  // namespace sky_viewer_cc