ui: Cleanup class/struct forward declarations

ui/gfx/text_elider.h

 // 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.
 //
 // This file defines utility functions for eliding and formatting UI text.
 
 #ifndef UI_GFX_TEXT_ELIDER_H_
 #define UI_GFX_TEXT_ELIDER_H_
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/gfx_export.h"
 #include "ui/gfx/text_constants.h"
 
-class GURL;
-
 namespace base {
 class FilePath;
 }
 
 namespace gfx {
 class FontList;
 
 GFX_EXPORT extern const char kEllipsis[];
 GFX_EXPORT extern const base::char16 kEllipsisUTF16[];
 GFX_EXPORT extern const base::char16 kForwardSlash;
@@ skipping 110 matching lines @@
 // CHARACTER_BREAK, and adds the horizontal ellipsis character (unicode
 // character 0x2026) to render "...". The supplied string is returned if the
 // string has |length| characters or less.
 GFX_EXPORT base::string16 TruncateString(const base::string16& string,
                                          size_t length,
                                          BreakType break_type);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_TEXT_ELIDER_H_