Move Screen Rotation from MaximizeModeController to ScreenOrientationController

ui/accelerometer/accelerometer_types.h

Index: ui/accelerometer/accelerometer_types.h
diff --git a/ui/accelerometer/accelerometer_types.h b/ui/accelerometer/accelerometer_types.h
index b3e513ddf240b1c5da4c040fe459ef916e6d8f99..5fc291fc4babd4cd087134fbfa726cdb5d277d3e 100644
--- a/ui/accelerometer/accelerometer_types.h
+++ b/ui/accelerometer/accelerometer_types.h
@@ -65,6 +65,11 @@ class UI_ACCELEROMETER_EXPORT AccelerometerUpdate {
     data_[source].reading.set_z(z);
   }
 
+  // A reading is considered stable if its deviation from gravity is small. This
+  // returns false if the deviation is too higher, or if |source| is not present
+  // in the update.
+  bool IsReadingStable(AccelerometerSource source) const;

[flackr, 2014/12/12 20:46:06]

I don't think this should be a part of the AccelerometerUpdate type. The
threshold is fairly specific to when/how we want to handle updates for maximize
mode and rotation checks.

[jonross, 2015/01/06 19:56:10]

Moved to chromeos/accelerometer/accelerometer_reader to be a helper method for
the ChromeOS specific use case.

+
  protected:
   AccelerometerReading data_[ACCELEROMETER_SOURCE_COUNT];