Add Sky framework support for drawing images

sky/engine/core/loader/NewImageLoader.h

+// Copyright 2015 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.
+
+#ifndef SKY_ENGINE_CORE_LOADER_NEWIMAGELOADER_H_
+#define SKY_ENGINE_CORE_LOADER_NEWIMAGELOADER_H_
+
+#include "mojo/common/data_pipe_drainer.h"
+#include "sky/engine/platform/SharedBuffer.h"
+#include "sky/engine/platform/fetcher/MojoFetcher.h"
+#include "sky/engine/wtf/OwnPtr.h"
+#include "sky/engine/wtf/PassOwnPtr.h"
+#include "sky/engine/wtf/text/AtomicString.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace blink {
+
+class NewImageLoaderClient {
+public:
+    virtual void notifyLoadFinished(const SkBitmap& result) = 0;
+protected:
+    NewImageLoaderClient() { }
+};
+
+class NewImageLoader : public MojoFetcher::Client,
+                       public mojo::common::DataPipeDrainer::Client {
+public:
+    static PassOwnPtr<NewImageLoader> create(NewImageLoaderClient* client)
+    {
+        return adoptPtr(new NewImageLoader(client));
+    }
+    virtual ~NewImageLoader();
+
+    void load(const KURL& src);

[eseidel, 2015/05/29 22:13:51]

Load(const GURL& src)?  New code should be chromium style and probably wants to
use gurl.

[jackson, 2015/05/29 22:54:33]

Load yes, will punt the GURL stuff for now since MojoFetcher wants a KURL

+
+        void OnReceivedResponse(mojo::URLResponsePtr);
+        void OnDataAvailable(const void*, size_t);
+        void OnDataComplete();
+protected:
+
+private:
+    explicit NewImageLoader(NewImageLoaderClient*);
+
+        NewImageLoaderClient* m_client;

[eseidel, 2015/05/29 22:13:50]

Strange indent change here.  Also not sure if you wanted a newline between all
these?

[jackson, 2015/05/29 22:54:33]

Acknowledged.

+
+        OwnPtr<MojoFetcher> m_fetcher;

[eseidel, 2015/05/29 22:13:51]

Chromium style is fetcher_;

[jackson, 2015/05/29 22:54:33]

Acknowledged.

+
+        OwnPtr<mojo::common::DataPipeDrainer> m_drainer;
+
+        RefPtr<SharedBuffer> m_buffer;
+};
+
+}
+
+#endif  // SKY_ENGINE_CORE_LOADER_NEWIMAGELOADER_H_