Move blink platform's JSON code into a directory.

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

 /*
  * Copyright (C) 2013 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR 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 PictureSnapshot_h
 #define PictureSnapshot_h
 
-#include "platform/JSONValues.h"
 #include "platform/PlatformExport.h"
 #include "platform/graphics/GraphicsContext.h"
+#include "platform/json/JSONValues.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "wtf/RefCounted.h"
 #include <memory>
 
 namespace blink {
 
 class FloatRect;
 
 class PLATFORM_EXPORT PictureSnapshot : public RefCounted<PictureSnapshot> {
@@ skipping 17 matching lines @@
 
 private:
     std::unique_ptr<SkBitmap> createBitmap() const;
 
     RefPtr<const SkPicture> m_picture;
 };
 
 } // namespace blink
 
 #endif // PictureSnapshot_h