Fixing problem with TouchView and multi monitor usage

ash/wm/maximize_mode/workspace_backdrop_delegate.cc

Index: ash/wm/maximize_mode/workspace_backdrop_delegate.cc
diff --git a/ash/wm/maximize_mode/workspace_backdrop_delegate.cc b/ash/wm/maximize_mode/workspace_backdrop_delegate.cc
index 4e8a259bf7478c79a4c5c89c0a0d1ffe61e8e7eb..84a730d33489eb29544d0a427fbd4168c9282ba5 100644
--- a/ash/wm/maximize_mode/workspace_backdrop_delegate.cc
+++ b/ash/wm/maximize_mode/workspace_backdrop_delegate.cc
@@ -31,7 +31,7 @@ WorkspaceBackdropDelegate::WorkspaceBackdropDelegate(aura::Window* container)
   views::Widget::InitParams params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   params.parent = container_;
-  params.bounds = container_->bounds();
+  params.bounds = container_->GetBoundsInScreen();
   params.layer_type = aura::WINDOW_LAYER_SOLID_COLOR;
   // To disallow the MRU list from picking this window up it should not be
   // activateable.