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

ash/common/system/chromeos/palette/palette_utils.h

Index: ash/common/system/chromeos/palette/palette_utils.h
diff --git a/ash/common/system/chromeos/palette/palette_utils.h b/ash/common/system/chromeos/palette/palette_utils.h
index dd7d1db018e02adad737a94f7bde37b0d474e02a..eba1ae2109c2e313a328274e91756bae715729e7 100644
--- a/ash/common/system/chromeos/palette/palette_utils.h
+++ b/ash/common/system/chromeos/palette/palette_utils.h
@@ -7,6 +7,10 @@
 
 #include "ash/ash_export.h"
 
+namespace ui {
+class LocatedEvent;
+}
+
 namespace ash {
 
 // Returns true if the palette feature is enabled. The palette itself may have
@@ -16,6 +20,10 @@ ASH_EXPORT bool IsPaletteFeatureEnabled();
 // Are experimental palette features enabled?
 ASH_EXPORT bool ArePaletteExperimentalFeaturesEnabled();
 
+// Returns true if either the palette icon or the palette widget contain the
+// given point.
+ASH_EXPORT bool PaletteContainsEvent(ui::LocatedEvent* event);
+
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_