Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/ImageDecodingStore.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ImageDecodingStore_h
 #define ImageDecodingStore_h
 
 #include "SkSize.h"
 #include "SkTypes.h"
-#include "core/platform/graphics/DiscardablePixelRef.h"
-#include "core/platform/image-decoders/ImageDecoder.h"
+#include "platform/PlatformExport.h"
+#include "platform/graphics/DiscardablePixelRef.h"
 #include "platform/graphics/ScaledImageFragment.h"
-#include "platform/graphics/SkSizeHash.h"
+#include "platform/graphics/skia/SkSizeHash.h"
+#include "platform/image-decoders/ImageDecoder.h"
 
 #include "wtf/DoublyLinkedList.h"
 #include "wtf/HashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
@@ skipping 30 matching lines @@
 //   using an ImageDecoder. It contains encoded image data and is used to represent
 //   one image file. It is used to index image and decoder objects in the cache.
 //
 // LazyDecodingPixelRef
 //   A read only user of this cache.
 //
 // THREAD SAFETY
 //
 // All public methods can be used on any thread.
 
-class ImageDecodingStore {
+class PLATFORM_EXPORT ImageDecodingStore {
 public:
     static PassOwnPtr<ImageDecodingStore> create() { return adoptPtr(new ImageDecodingStore); }
     ~ImageDecodingStore();
 
     static ImageDecodingStore* instance();
     static void initializeOnce();
     static void shutdown();
 
     // Access a complete cached image object. A complete cached image object is
     // indexed by the origin (ImageFrameGenerator), scaled size and frame index
@@ skipping 218 matching lines @@
     //   m_cacheLimitInBytes
     //   m_memoryUsageInBytes
     // This mutex also protects calls to underlying skBitmap's
     // lockPixels()/unlockPixels() as they are not threadsafe.
     Mutex m_mutex;
 };
 
 } // namespace WebCore
 
 #endif