Fixes for two different HUD issues related to win32k lockdown

cc/layers/heads_up_display_layer_impl.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/heads_up_display_layer_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/strings/stringprintf.h"
@@ skipping 51 matching lines @@
 
 double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() {
   double target_upper_bound = std::max(max, default_upper_bound);
   current_upper_bound += (target_upper_bound - current_upper_bound) * 0.5;
   return current_upper_bound;
 }
 
 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() {}
 
 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
   return HeadsUpDisplayLayerImpl::Create(tree_impl, id());
 }
 
 void HeadsUpDisplayLayerImpl::AcquireResource(
     ResourceProvider* resource_provider) {
@@ skipping 79 matching lines @@
                nearest_neighbor);
 }
 
 void HeadsUpDisplayLayerImpl::UpdateHudTexture(
     DrawMode draw_mode,
     ResourceProvider* resource_provider) {
   if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !resources_.back()->id())
     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);
   resource_provider->SetPixels(resources_.back()->id(),
                                static_cast<const uint8_t*>(pixels),
                                content_rect,
                                content_rect,
                                gfx::Vector2d());
 }
 
@@ skipping 77 matching lines @@
                                        const std::string& text,
                                        SkPaint::Align align,
                                        int size,
                                        int x,
                                        int y) const {
   const bool anti_alias = paint->isAntiAlias();
   paint->setAntiAlias(true);
 
   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);
 }
 
 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
                                        SkPaint* paint,
                                        const std::string& text,
                                        SkPaint::Align align,
                                        int size,
@@ skipping 385 matching lines @@
     gfx::Rect clip_rect = debug_layer_rect;
     clip_rect.Intersect(gfx::Rect(content_bounds()));
     SkRect sk_clip_rect = RectToSkRect(clip_rect);
 
     canvas->save();
     canvas->clipRect(sk_clip_rect);
     canvas->translate(sk_clip_rect.x(), sk_clip_rect.y());
 
     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 =
         label_paint.measureText(label_text.c_str(), label_text.length());
     canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding,
                                     kFontHeight + 2 * kPadding),
                      label_paint);
 
     label_paint.setAntiAlias(true);
     label_paint.setColor(SkColorSetARGB(255, 50, 50, 50));
@@ skipping 118 matching lines @@
   return "cc::HeadsUpDisplayLayerImpl";
 }
 
 void HeadsUpDisplayLayerImpl::AsValueInto(
     base::debug::TracedValue* dict) const {
   LayerImpl::AsValueInto(dict);
   dict->SetString("layer_name", "Heads Up Display Layer");
 }
 
 }  // namespace cc