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

Source/core/platform/graphics/chromium/IconChromiumAndroid.cpp

 /*
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "core/platform/graphics/Icon.h"
 
 #include "core/platform/NotImplemented.h"
 #include "core/platform/graphics/GraphicsContext.h"
-#include <wtf/text/WTFString.h>
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 Icon::Icon(PassRefPtr<PlatformIcon> icon)
     : m_icon(icon)
 {
 }
 
 Icon::~Icon()
 {
 }
 
 void Icon::paint(GraphicsContext*, const IntRect&)
 {
     notImplemented();
 }
 
 } // namespace WebCore