Fix CJK font linking size on Windows XP.

ui/gfx/platform_font_win.h

Index: ui/gfx/platform_font_win.h
===================================================================
--- ui/gfx/platform_font_win.h	(revision 133692)
+++ ui/gfx/platform_font_win.h	(working copy)
@@ -47,6 +47,13 @@
   // name could not be retrieved, returns GetFontName().
   std::string GetLocalizedFontName() const;
 
+  // Returns a derived Font with the specified |style| and with height at most
+  // |height|. If the height and style of the receiver already match, it is
+  // returned. Otherwise, the returned Font will have the largest size such that
+  // its height is less than or equal to |height| (since there may not exist a
+  // size that matches the exact |height| specified).
+  Font DeriveFontWithHeight(int height, int style);
+
   // Overridden from PlatformFont:
   virtual Font DeriveFont(int size_delta, int style) const OVERRIDE;
   virtual int GetHeight() const OVERRIDE;
@@ -75,6 +82,7 @@
     // This constructor takes control of the HFONT, and will delete it when
     // the HFontRef is deleted.
     HFontRef(HFONT hfont,
+             int font_size,
              int height,
              int baseline,
              int ave_char_width,