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

Source/core/platform/text/BidiContext.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2009, 2010 Apple Inc. All right reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef BidiContext_h
 #define BidiContext_h
 
-#include <wtf/Assertions.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/RefPtr.h>
-#include <wtf/unicode/Unicode.h>
+#include "wtf/Assertions.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
+#include "wtf/unicode/Unicode.h"
 
 namespace WebCore {
 
 enum BidiEmbeddingSource {
     FromStyleOrDOM,
     FromUnicode
 };
 
 // Used to keep track of explicit embeddings.
 class BidiContext : public RefCounted<BidiContext> {
@@ skipping 34 matching lines @@
 inline unsigned char nextGreaterEvenLevel(unsigned char level)
 {
     return (level + 2) & ~1;
 }
 
 bool operator==(const BidiContext&, const BidiContext&);
 
 } // namespace WebCore
 
 #endif // BidiContext_h