Block keyboard and mouse input when maximize mode is activated by accelerometer.

ash/wm/maximize_mode/maximize_mode_controller.h

Index: ash/wm/maximize_mode/maximize_mode_controller.h
diff --git a/ash/wm/maximize_mode/maximize_mode_controller.h b/ash/wm/maximize_mode/maximize_mode_controller.h
index 0ef1b9f6e7e668b92de0e4318e1742458188c760..03662d2b6d575bf1fe284c7fa708c78c8912d615 100644
--- a/ash/wm/maximize_mode/maximize_mode_controller.h
+++ b/ash/wm/maximize_mode/maximize_mode_controller.h
@@ -7,9 +7,12 @@
 
 #include "ash/accelerometer/accelerometer_observer.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 
 namespace ash {
 
+class MaximizeModeEventBlocker;
+
 // MaximizeModeController listens to accelerometer events and automatically
 // enters and exits maximize mode when the lid is opened beyond the triggering
 // angle and rotates the display to match the device when in maximize mode.
@@ -18,6 +21,7 @@ class MaximizeModeController : public AccelerometerObserver {
   MaximizeModeController();
   virtual ~MaximizeModeController();
 
+  // AccelerometerObserver:
   virtual void OnAccelerometerUpdated(const gfx::Vector3dF& base,
                                       const gfx::Vector3dF& lid) OVERRIDE;
  private:
@@ -30,6 +34,10 @@ class MaximizeModeController : public AccelerometerObserver {
   // screen.
   void HandleScreenRotation(const gfx::Vector3dF& lid);
 
+  // An event handler which traps mouse and keyboard events while maximize
+  // mode is engaged.
+  scoped_ptr<MaximizeModeEventBlocker> event_blocker_;
+
   DISALLOW_COPY_AND_ASSIGN(MaximizeModeController);
 };