Invoke cursor-hiding logic on touch for Windows

ui/views/corewm/compound_event_filter.cc

Index: ui/views/corewm/compound_event_filter.cc
diff --git a/ui/views/corewm/compound_event_filter.cc b/ui/views/corewm/compound_event_filter.cc
index efeca5cad2af9a23e421f88d986e7ab6cf73b84f..f5fa2a4856b31c664eb72ee623247c8937d383e9 100644
--- a/ui/views/corewm/compound_event_filter.cc
+++ b/ui/views/corewm/compound_event_filter.cc
@@ -72,12 +72,12 @@ bool ShouldHideCursorOnKeyEvent(const ui::KeyEvent& event) {
 
 // Returns true if the cursor should be hidden on touch events.
 bool ShouldHideCursorOnTouch() {
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_WIN)
   return true;
 #else
-  // Not necessary on windows as windows does it for us. If we do need this
-  // funcionality on linux (non-chromeos) we need to make sure
-  // CompoundEventFilter shows on the right root (it currently doesn't always).
+  // Linux Aura does not hide the cursor on touch by default.
+  // TODO(tdanderson): Change this if having consistency across
+  // all platforms which use Aura is desired.
   return false;
 #endif
 }