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

ash/common/system/chromeos/palette/palette_tray.cc

Index: ash/common/system/chromeos/palette/palette_tray.cc
diff --git a/ash/common/system/chromeos/palette/palette_tray.cc b/ash/common/system/chromeos/palette/palette_tray.cc
index 80ecc3bb8117eda76ff491066ee15d2dd80d69b0..68cd077bbacbd5762762383da9a56a168db942ca 100644
--- a/ash/common/system/chromeos/palette/palette_tray.cc
+++ b/ash/common/system/chromeos/palette/palette_tray.cc
@@ -220,6 +220,13 @@ bool PaletteTray::ShowPalette() {
   return true;
 }
 
+bool PaletteTray::ContainsPointInScreen(const gfx::Point& point) {
+  if (icon_ && icon_->GetBoundsInScreen().Contains(point))
+    return true;
+
+  return bubble_ && bubble_->bubble_view()->GetBoundsInScreen().Contains(point);
+}
+
 void PaletteTray::AddToolsToView(views::View* host) {
   std::vector<PaletteToolView> views = palette_tool_manager_->CreateViews();
   for (const PaletteToolView& view : views)