Fixes for two different HUD issues related to win32k lockdown

cc/layers/heads_up_display_layer.h

Index: cc/layers/heads_up_display_layer.h
diff --git a/cc/layers/heads_up_display_layer.h b/cc/layers/heads_up_display_layer.h
index 7ca09925102e757981be06eee4cf4f37dac3730f..f85d7a694f6befad81e1e0d12edcdfd9df837c0c 100644
--- a/cc/layers/heads_up_display_layer.h
+++ b/cc/layers/heads_up_display_layer.h
@@ -15,7 +15,7 @@ namespace cc {
 
 class CC_EXPORT HeadsUpDisplayLayer : public ContentsScalingLayer {
  public:
-  static scoped_refptr<HeadsUpDisplayLayer> Create();
+  static scoped_refptr<HeadsUpDisplayLayer> Create(SkTypeface* typeface);
 
   void PrepareForCalculateDrawProperties(
       const gfx::Size& device_viewport, float device_scale_factor);
@@ -23,12 +23,14 @@ class CC_EXPORT HeadsUpDisplayLayer : public ContentsScalingLayer {
   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
 
  protected:
-  HeadsUpDisplayLayer();
+  explicit HeadsUpDisplayLayer(SkTypeface* typeface);
   bool HasDrawableContent() const override;
 
  private:
   ~HeadsUpDisplayLayer() override;
 
+  SkTypeface* typeface_;
+
   DISALLOW_COPY_AND_ASSIGN(HeadsUpDisplayLayer);
 };