Re-order fields for better alignment

ui/display/types/display_mode.h

 // Copyright 2014 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_DISPLAY_TYPES_DISPLAY_MODE_H_
 #define UI_DISPLAY_TYPES_DISPLAY_MODE_H_
 
 #include <memory>
 #include <ostream>
 #include <string>
@@ skipping 13 matching lines @@
   virtual std::unique_ptr<DisplayMode> Clone() const;
 
   const gfx::Size& size() const { return size_; }
   bool is_interlaced() const { return is_interlaced_; }
   float refresh_rate() const { return refresh_rate_; }
 
   virtual std::string ToString() const;
 
  private:
   gfx::Size size_;
+  float refresh_rate_;
   bool is_interlaced_;
-  float refresh_rate_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayMode);
 };
 
 // Used to by gtest to print readable errors.
 DISPLAY_TYPES_EXPORT void PrintTo(const DisplayMode& mode, std::ostream* os);
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_TYPES_DISPLAY_MODE_H_