Moving GraphicsContext and dependencies from core to platform.

Source/platform/graphics/skia/NativeImageSkia.h

 /*
  * Copyright (c) 2008, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef NativeImageSkia_h
 #define NativeImageSkia_h
 
 #include "SkBitmap.h"
 #include "SkRect.h"
 #include "SkSize.h"
 #include "SkXfermode.h"
+#include "platform/PlatformExport.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 class SkMatrix;
 class SkPaint;
 
 namespace WebCore {
@@ skipping 13 matching lines @@
     // quality resampling doesn't get us very much except a slowdown.
     LinearResampling,
 
     // High quality resampling.
     AwesomeResampling,
 };
 
 // This object is used as the "native image" in our port. When WebKit uses
 // PassNativeImagePtr / NativeImagePtr, it is a smart pointer to this type.
 // It has an SkBitmap, and also stores a cached resized image.
-class NativeImageSkia : public RefCounted<NativeImageSkia> {
+class PLATFORM_EXPORT NativeImageSkia : public RefCounted<NativeImageSkia> {
 public:
     static PassRefPtr<NativeImageSkia> create()
     {
         return adoptRef(new NativeImageSkia());
     }
 
     // This factory method does a shallow copy of the passed-in SkBitmap
     // (ie., it references the same pixel data and bumps the refcount). Use
     // only when you want sharing semantics.
     static PassRefPtr<NativeImageSkia> create(const SkBitmap& bitmap, float resolutionScale = 1)
@@ skipping 116 matching lines @@
     // those requests individually are small and would not otherwise be cached.
     //
     // We also track scaling information and destination subset for the scaled
     // image. See comments for ImageResourceInfo.
     mutable ImageResourceInfo m_cachedImageInfo;
     mutable int m_resizeRequests;
 };
 
 }
 #endif  // NativeImageSkia_h