Allow various font weights in gfx.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 74d18b70564e2ea7e60de96e11fb9c83c41cfb45..11bd2444b8868bf8b6890b33de4e7a9304be813c 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -560,6 +560,16 @@ void Textfield::ApplyStyle(gfx::TextStyle style,
   SchedulePaint();
 }
 
+void Textfield::SetWeight(gfx::Font::Weight weight) {
+  GetRenderText()->SetWeight(weight);
+  SchedulePaint();
+}
+
+void Textfield::ApplyWeight(gfx::Font::Weight weight, const gfx::Range& range) {
+  GetRenderText()->ApplyWeight(weight, range);
+  SchedulePaint();
+}
+
 void Textfield::ClearEditHistory() {
   model_->ClearEditHistory();
 }