Added a flag to the Canvas class which allows forcing an RTL directionality...

app/gfx/canvas.h

 // Copyright (c) 2006-2008 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 APP_GFX_CANVAS_H_
 #define APP_GFX_CANVAS_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 48 matching lines @@
     // underline (SHOW_PREFIX), or not rendered at all (HIDE_PREFIX).
     SHOW_PREFIX = 128,
     HIDE_PREFIX = 256,
 
     // Prevent ellipsizing
     NO_ELLIPSIS = 512,
 
     // Specifies if words can be split by new lines.
     // This only works with MULTI_LINE.
     CHARACTER_BREAK = 1024,
+
+    // Instructs DrawStringInt() to render the text using RTL directionality.
+    // In most cases, passing this flag is not necessary because information
+    // about the text directionality is going to be embedded within the string
+    // in the form of special Unicode characters. However, we don't insert
+    // directionality characters into strings if the locale is LTR because some
+    // platforms (for example, an English Windows XP with no RTL fonts
+    // installed) don't support these characters. Thus, this flag should be
+    // used to render text using RTL directionality when the locale is LTR.
+    FORCE_RTL_DIRECTIONALITY = 2048,
   };
 
   // Creates an empty Canvas. Callers must use initialize before using the
   // canvas.
   Canvas();
 
   Canvas(int width, int height, bool is_opaque);
 
   virtual ~Canvas();
 
@@ skipping 129 matching lines @@
                      const SkColor& color, int x, int y, int w, int h,
                      int flags);
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(Canvas);
 };
 
 }  // namespace gfx;
 
 #endif  // APP_GFX_CANVAS_H_