core/platform: Include wtf files using "wtf/foo.h" form.

Source/core/platform/graphics/harfbuzz/HarfBuzzFace.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:
  *
  *     * 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 15 matching lines @@
  * 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 HarfBuzzFace_h
 #define HarfBuzzFace_h
 
 #include <hb.h>
 
-#include <wtf/HashMap.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/RefPtr.h>
+#include "wtf/HashMap.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class FontPlatformData;
 
 class HarfBuzzFace : public RefCounted<HarfBuzzFace> {
 public:
     static const hb_tag_t vertTag;
     static const hb_tag_t vrt2Tag;
 
@@ skipping 16 matching lines @@
     uint64_t m_uniqueID;
     hb_face_t* m_face;
     WTF::HashMap<uint32_t, uint16_t>* m_glyphCacheForFaceCacheEntry;
 
     hb_script_t m_scriptForVerticalText;
 };
 
 }
 
 #endif // HarfBuzzFace_h