Update references to Blink's Platform API headers

webkit/glue/webcursor_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/glue/webcursor.h"
 
 #import <AppKit/AppKit.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_nsobject.h"
 #include "grit/webkit_chromium_resources.h"
 #include "skia/ext/skia_utils_mac.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebImage.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
+#include "third_party/WebKit/public/platform/WebImage.h"
+#include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/size_conversions.h"
 
 
 using WebKit::WebCursorInfo;
 using WebKit::WebImage;
 using WebKit::WebSize;
 
@@ skipping 392 matching lines @@
   return true;
 }
 
 void WebCursor::CleanupPlatformData() {
   return;
 }
 
 void WebCursor::CopyPlatformData(const WebCursor& other) {
   return;
 }