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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_
 #define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_
 
 #include "ash/ash_export.h"
 
+namespace gfx {
+class Point;
+}
+
 namespace ash {
 
 // Returns true if the palette feature is enabled. The palette itself may have
 // been disabled by the user.
 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 (in screen space).
+ASH_EXPORT bool PaletteContainsPointInScreen(const gfx::Point& point);

[James Cook, 2016/09/06 16:16:32]

optional nit: Do you anticipate using this function in code other than
PartialMagnificationController? If not, I would move the function there.

(I find these util files hurt readability. In particular, since there is no
class or namespace declaration here, it's hard to figure out which file contains
PaletteContainsPointInScreen by just looking at the call site.)

[jdufault, 2016/09/07 22:39:06]

Yep, it will be used by the laser pointer.

+
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_