Trim Skia dependencies in Blink

third_party/WebKit/Source/platform/graphics/FrameData.h

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  *
  * 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.
@@ skipping 11 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * 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 FrameData_h
 #define FrameData_h
 
 #include "platform/graphics/ImageOrientation.h"
-#include "third_party/skia/include/core/SkImage.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
 #include "wtf/VectorTraits.h"
 
+class SkImage;
+
 namespace blink {
 
 struct FrameData {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
     WTF_MAKE_NONCOPYABLE(FrameData);
 public:
     FrameData();
     ~FrameData();
 
     // Clear the cached image data on the frame, and (optionally) the metadata.
@@ skipping 12 matching lines @@
 } // namespace blink
 
 namespace WTF {
 template<> struct VectorTraits<blink::FrameData> : public SimpleClassVectorTraits<blink::FrameData> {
     STATIC_ONLY(VectorTraits);
     static const bool canInitializeWithMemset = false; // Not all FrameData members initialize to 0.
 };
 }
 
 #endif // FrameData_h