Remove blur from CrOS alt-tab shield

ash/common/wm/window_cycle_list.cc

Index: ash/common/wm/window_cycle_list.cc
diff --git a/ash/common/wm/window_cycle_list.cc b/ash/common/wm/window_cycle_list.cc
index 17591a081d7202d24f45f35ec35e6080ee716f7b..b6e82e332e82ea0d7f366bf2909514f7c251c6e3 100644
--- a/ash/common/wm/window_cycle_list.cc
+++ b/ash/common/wm/window_cycle_list.cc
@@ -255,7 +255,6 @@ class WindowCycleView : public views::WidgetDelegateView {
         target_window_(nullptr) {
     DCHECK(!windows.empty());
     SetPaintToLayer(true);
-    layer()->SetBackgroundBlur(4);
     layer()->SetFillsBoundsOpaquely(false);
     layer()->SetMasksToBounds(true);
     layer()->SetOpacity(0.0);
@@ -267,7 +266,7 @@ class WindowCycleView : public views::WidgetDelegateView {
     }
 
     set_background(views::Background::CreateSolidBackground(
-        SkColorSetA(SK_ColorBLACK, 0xCC)));
+        SkColorSetA(SK_ColorBLACK, 0xE6)));
 
     const int kInsideBorderPaddingDip = 64;
     const int kBetweenChildPaddingDip = 10;