Framework for converting embedder uses of WebFrame to WebLocalFrame.

public/web/mac/WebSubstringUtil.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 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.
  */
 
 #ifndef WebSubstringUtil_h
 #define WebSubstringUtil_h
 
 #include "../../platform/WebCommon.h"
+#include "public/web/WebFrame.h"
 
 namespace blink {
-class WebFrame;
-class WebRange;
 class WebView;
 struct WebPoint;
-struct WebRect;
 }
 
 #if __OBJC__
 @class NSAttributedString;
 #else
 class NSAttributedString;
 #endif
 
 namespace blink {
 
 class WebSubstringUtil {
 public:
     // Returns an autoreleased NSAttributedString that is the word under
     // the given point, or nil on error.
     // Upon return, |baselinePoint| is set to the left baseline point in
     // AppKit coordinates.
     BLINK_EXPORT static NSAttributedString* attributedWordAtPoint(WebView*,
         WebPoint,
         WebPoint& baselinePoint);
 
     // Returns an autoreleased NSAttributedString that is a substring of the
     // Frame at the given range, or nil on error.
-    BLINK_EXPORT static NSAttributedString* attributedSubstringInRange(WebFrame*,
+    BLINK_EXPORT static NSAttributedString* attributedSubstringInRange(WebLocalFrame*,
         size_t location,
         size_t length);
 };
 
 } // namespace blink
 
 #endif