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

Source/core/platform/graphics/chromium/IconChromium.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:
  *
  *     * 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 14 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "core/platform/graphics/Icon.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* context, const IntRect& rect)
 {
     context->drawImage(m_icon.get(), rect);
 }
 
 } // namespace WebCore