Fixes for two different HUD issues related to win32k lockdown

cc/layers/heads_up_display_layer_impl.cc

Index: cc/layers/heads_up_display_layer_impl.cc
diff --git a/cc/layers/heads_up_display_layer_impl.cc b/cc/layers/heads_up_display_layer_impl.cc
index cdb000ffa17a18560359c8729672c9e4fe9dd846..60d984b004915014ef4a94ac6c83c7529f4114a4 100644
--- a/cc/layers/heads_up_display_layer_impl.cc
+++ b/cc/layers/heads_up_display_layer_impl.cc
@@ -69,11 +69,10 @@ double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() {
 HeadsUpDisplayLayerImpl::HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl,
                                                  int id)
     : LayerImpl(tree_impl, id),
-      typeface_(skia::AdoptRef(
-          SkTypeface::CreateFromName("monospace", SkTypeface::kBold))),
       fps_graph_(60.0, 80.0),
       paint_time_graph_(16.0, 48.0),
-      fade_step_(0) {}
+      fade_step_(0) {
+}
 
 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {}
 
@@ -173,36 +172,36 @@ void HeadsUpDisplayLayerImpl::UpdateHudTexture(
     return;
 
   SkISize canvas_size;
-  if (hud_canvas_)
-    canvas_size = hud_canvas_->getDeviceSize();
+  if (hud_surface_)
+    canvas_size = hud_surface_->getCanvas()->getDeviceSize();
   else
     canvas_size.set(0, 0);
 
   if (canvas_size.width() != content_bounds().width() ||
-      canvas_size.height() != content_bounds().height() || !hud_canvas_) {
+      canvas_size.height() != content_bounds().height() || !hud_surface_) {
     TRACE_EVENT0("cc", "ResizeHudCanvas");
-    bool opaque = false;
-    hud_canvas_ = make_scoped_ptr(skia::CreateBitmapCanvas(
-        content_bounds().width(), content_bounds().height(), opaque));
+
+    hud_surface_ = skia::AdoptRef(SkSurface::NewRasterN32Premul(
+        content_bounds().width(), content_bounds().height()));
   }
 
   UpdateHudContents();
 
   {
     TRACE_EVENT0("cc", "DrawHudContents");
-    hud_canvas_->clear(SkColorSetARGB(0, 0, 0, 0));
-    hud_canvas_->save();
-    hud_canvas_->scale(contents_scale_x(), contents_scale_y());
+    hud_surface_->getCanvas()->clear(SkColorSetARGB(0, 0, 0, 0));
+    hud_surface_->getCanvas()->save();
+    hud_surface_->getCanvas()->scale(contents_scale_x(), contents_scale_y());
 
-    DrawHudContents(hud_canvas_.get());
+    DrawHudContents(hud_surface_->getCanvas());
 
-    hud_canvas_->restore();
+    hud_surface_->getCanvas()->restore();
   }
 
   TRACE_EVENT0("cc", "UploadHudTexture");
   SkImageInfo info;
   size_t row_bytes = 0;
-  const void* pixels = hud_canvas_->peekPixels(&info, &row_bytes);
+  const void* pixels = hud_surface_->getCanvas()->peekPixels(&info, &row_bytes);
   DCHECK(pixels);
   gfx::Rect content_rect(content_bounds());
   DCHECK(info.colorType() == kN32_SkColorType);
@@ -300,7 +299,7 @@ void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
 
   paint->setTextSize(size);
   paint->setTextAlign(align);
-  paint->setTypeface(typeface_.get());
+  paint->setTypeface(layer_tree_impl()->settings().hud_typeface.get());
   canvas->drawText(text.c_str(), text.length(), x, y, *paint);
 
   paint->setAntiAlias(anti_alias);
@@ -706,7 +705,7 @@ void HeadsUpDisplayLayerImpl::DrawDebugRect(
 
     SkPaint label_paint = CreatePaint();
     label_paint.setTextSize(kFontHeight);
-    label_paint.setTypeface(typeface_.get());
+    label_paint.setTypeface(layer_tree_impl()->settings().hud_typeface.get());
     label_paint.setColor(stroke_color);
 
     const SkScalar label_text_width =