Add Sky framework support for drawing images

sky/engine/core/painting/CanvasImage.cpp

+// Copyright 2013 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/engine/config.h"
+#include "sky/engine/core/painting/CanvasImage.h"
+
+namespace blink {
+
+CanvasImage::CanvasImage() : imageLoader_(adoptPtr(new NewImageLoader(this))) {
+}
+
+CanvasImage::~CanvasImage() {
+}
+
+int CanvasImage::width() const {
+  return bitmap_.width();
+}
+
+int CanvasImage::height() const {
+  return bitmap_.height();
+}
+
+void CanvasImage::setSrc(const String& url) {
+  // TODO(jackson): Figure out how to determine the proper base URL here
+  KURL newSrcURL = KURL(KURL(), url);
+  if (srcURL_ != newSrcURL) {
+    srcURL_ = newSrcURL;
+    imageLoader_->Load(srcURL_);
+  }
+}
+
+void CanvasImage::OnLoadFinished(const SkBitmap& result) {
+  // TODO(jackson): We'll eventually need a notification pathway for
+  // when the image load is complete so that we know to repaint, etc.
+  bitmap_ = result;
+}
+
+}  // namespace blink