Rejigger ThemeService: move exposure of ThemeProvider interface to a

chrome/browser/themes/theme_properties.h

Index: chrome/browser/themes/theme_properties.h
diff --git a/chrome/browser/themes/theme_properties.h b/chrome/browser/themes/theme_properties.h
index 4848cde20594fbb91df754b7ec6274cca89858b7..8bfc4e85fb7cfe75dfd8d8273eb4a1439dd86de0 100644
--- a/chrome/browser/themes/theme_properties.h
+++ b/chrome/browser/themes/theme_properties.h
@@ -154,6 +154,10 @@ class ThemeProperties {
   // Returns gfx::kPlaceholderColor if |id| is invalid.
   static SkColor GetDefaultColor(int id);
 
+  // As above, but takes incognito status into account.
+  // TODO(estade): remove the above in favor of this one.
+  static SkColor GetDefaultColor(int id, bool otr);
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ThemeProperties);
 };