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

Source/core/platform/text/TextChecking.h

 /*
  * Copyright (c) 2011 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 TextChecking_h
 #define TextChecking_h
 
-#include <wtf/RefCounted.h>
-#include <wtf/Vector.h>
-#include <wtf/text/WTFString.h>
+#include "wtf/RefCounted.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 enum TextCheckingType {
     TextCheckingTypeNone        = 0,
     TextCheckingTypeSpelling    = 1 << 1,
     TextCheckingTypeGrammar     = 1 << 2,
 };
 
 typedef unsigned TextCheckingTypeMask;
@@ skipping 59 matching lines @@
     virtual ~TextCheckingRequest() { }
 
     virtual const TextCheckingRequestData& data() const = 0;
     virtual void didSucceed(const Vector<TextCheckingResult>&) = 0;
     virtual void didCancel() = 0;
 };
 
 }
 
 #endif // TextChecking_h