Allow various font weights in gfx.

ui/gfx/linux_font_delegate.h

Index: ui/gfx/linux_font_delegate.h
diff --git a/ui/gfx/linux_font_delegate.h b/ui/gfx/linux_font_delegate.h
index 3a8d7bb86dcb74376d80b16e7ee0d77f31118960..190b89946802659df97a2be1d7cca052bfe7b1b6 100644
--- a/ui/gfx/linux_font_delegate.h
+++ b/ui/gfx/linux_font_delegate.h
@@ -33,12 +33,12 @@ class GFX_EXPORT LinuxFontDelegate {
   // Returns the default font rendering settings.
   virtual FontRenderParams GetDefaultFontRenderParams() const = 0;
 
-  // Returns details about the default UI font. |style_out| holds a bitfield of
-  // gfx::Font::Style values.
+  // Returns details about the default UI font.
   virtual void GetDefaultFontDescription(
       std::string* family_out,
       int* size_pixels_out,
-      int* style_out,
+      bool* italic_out,
+      Font::Weight* weight_out,
       FontRenderParams* params_out) const = 0;
 };