Move Range code to gfx.

ui/gfx/range/range.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.
 
-#ifndef UI_BASE_RANGE_RANGE_H_
-#define UI_BASE_RANGE_RANGE_H_
+#ifndef UI_GFX_RANGE_RANGE_H_
+#define UI_GFX_RANGE_RANGE_H_
 
 #include <ostream>
 #include <string>
 
 #include "base/basictypes.h"
-#include "ui/base/ui_export.h"
+#include "ui/gfx/gfx_export.h"
 
 #if defined(OS_MACOSX)
 #if __OBJC__
 #import <Foundation/Foundation.h>
 #else
 typedef struct _NSRange NSRange;
 #endif
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <richedit.h>
 #endif
 
-namespace ui {
+namespace gfx {
 
 // A Range contains two integer values that represent a numeric range, like the
 // range of characters in a text selection. A range is made of a start and end
 // position; when they are the same, the Range is akin to a caret. Note that
 // |start_| can be greater than |end_| to respect the directionality of the
 // range.
 class UI_EXPORT Range {
  public:
   // Creates an empty range {0,0}.
   Range();
@@ skipping 67 matching lines @@
 
   std::string ToString() const;
 
  private:
   size_t start_;
   size_t end_;
 };
 
 UI_EXPORT std::ostream& operator<<(std::ostream& os, const Range& range);
 
-}  // namespace ui
+}  // namespace gfx
 
-#endif  // UI_BASE_RANGE_RANGE_H_
+#endif  // UI_GFX_RANGE_RANGE_H_