[ash-md] Hides frame headers in overview mode not using a mask

ash/common/wm/overview/scoped_transform_overview_window.cc

Index: ash/common/wm/overview/scoped_transform_overview_window.cc
diff --git a/ash/common/wm/overview/scoped_transform_overview_window.cc b/ash/common/wm/overview/scoped_transform_overview_window.cc
index ca1974343fc8cc04797ae5dae6cc593286b98d7c..add6ff6001d076c85c394d386506ed5e8c10ca14 100644
--- a/ash/common/wm/overview/scoped_transform_overview_window.cc
+++ b/ash/common/wm/overview/scoped_transform_overview_window.cc
@@ -180,7 +180,7 @@ TransientDescendantIteratorRange GetTransientTreeIterator(WmWindow* window) {
 class ScopedTransformOverviewWindow::OverviewContentMask
     : public ui::LayerDelegate {
  public:
-  OverviewContentMask(int inset, int radius);
+  OverviewContentMask(int radius);

[tdanderson, 2016/07/08 18:51:55]

explicit

   ~OverviewContentMask() override;
 
   ui::Layer* layer() { return &layer_; }
@@ -193,16 +193,14 @@ class ScopedTransformOverviewWindow::OverviewContentMask
 
  private:
   ui::Layer layer_;
-  int inset_;
   int radius_;
 
   DISALLOW_COPY_AND_ASSIGN(OverviewContentMask);
 };
 
 ScopedTransformOverviewWindow::OverviewContentMask::OverviewContentMask(
-    int inset,
     int radius)
-    : layer_(ui::LAYER_TEXTURED), inset_(inset), radius_(radius) {
+    : layer_(ui::LAYER_TEXTURED), radius_(radius) {
   layer_.set_delegate(this);
 }
 
@@ -214,7 +212,6 @@ void ScopedTransformOverviewWindow::OverviewContentMask::OnPaintLayer(
     const ui::PaintContext& context) {
   ui::PaintRecorder recorder(context, layer()->size());
   gfx::Rect bounds(layer()->bounds().size());
-  bounds.Inset(0, inset_, 0, 0);
 
   // Tile a window into an area, rounding the bottom corners.
   const SkRect rect = gfx::RectToSkRect(bounds);
@@ -398,8 +395,7 @@ void ScopedTransformOverviewWindow::SetTransform(
   DCHECK(overview_started_);
 
   if (ash::MaterialDesignController::IsOverviewMaterial() && !mask_) {
-    mask_.reset(new OverviewContentMask(
-        window()->GetIntProperty(WmWindowProperty::TOP_VIEW_INSET), radius));
+    mask_.reset(new OverviewContentMask(radius));
     mask_->layer()->SetBounds(GetTargetBoundsInScreen());
     window()->GetLayer()->SetMaskLayer(mask_->layer());
   }