cros/ash: If the partial magnifier is active, do not consume input events if over palette views.

ash/magnifier/partial_magnification_controller.cc

Index: ash/magnifier/partial_magnification_controller.cc
diff --git a/ash/magnifier/partial_magnification_controller.cc b/ash/magnifier/partial_magnification_controller.cc
index 3dcdd38448fdee2f915ab2b7949c43dbda4e68ff..0f7d6e085c621235ffa6ed475bfc410b9d44797f 100644
--- a/ash/magnifier/partial_magnification_controller.cc
+++ b/ash/magnifier/partial_magnification_controller.cc
@@ -4,6 +4,7 @@
 
 #include "ash/magnifier/partial_magnification_controller.h"
 
+#include "ash/common/system/chromeos/palette/palette_utils.h"
 #include "ash/shell.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tree_host.h"
@@ -208,7 +209,8 @@ void PartialMagnificationController::OnLocatedEvent(
 
   host_widget_->SetBounds(GetBounds(point));
 
-  event->StopPropagation();
+  if (!PaletteContainsEvent(event))
+    event->StopPropagation();
 }
 
 void PartialMagnificationController::CreateMagnifierWindow(