Re-landing "Suppressed screen rotation notifications triggeres by the 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 9810d4d5bfc93019de796aec98baeb65790b1d66..6363211e343e2d43de4634dc258d515076e111d0 100644
--- a/ash/wm/maximize_mode/maximize_mode_controller.h
+++ b/ash/wm/maximize_mode/maximize_mode_controller.h
@@ -7,6 +7,7 @@
 
 #include "ash/accelerometer/accelerometer_observer.h"
 #include "ash/ash_export.h"
+#include "ash/display/display_manager.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
@@ -26,6 +27,10 @@ class ASH_EXPORT MaximizeModeController : public AccelerometerObserver {
   MaximizeModeController();
   virtual ~MaximizeModeController();
 
+  bool in_set_screen_rotation() const {
+    return in_set_screen_rotation_;
+  }
+
   // True if |rotation_lock_| has been set, and OnAccelerometerUpdated will not
   // change the display rotation.
   bool rotation_locked() {
@@ -57,6 +62,10 @@ class ASH_EXPORT MaximizeModeController : public AccelerometerObserver {
   // screen.
   void HandleScreenRotation(const gfx::Vector3dF& lid);
 
+  // Sets the display rotation and suppresses display notifications.
+  void SetDisplayRotation(DisplayManager* display_manager,
+                          gfx::Display::Rotation rotation);
+
   // An event targeter controller which traps mouse and keyboard events while
   // maximize mode is engaged.
   scoped_ptr<MaximizeModeEventBlocker> event_blocker_;
@@ -70,6 +79,9 @@ class ASH_EXPORT MaximizeModeController : public AccelerometerObserver {
   // Whether we have ever seen accelerometer data.
   bool have_seen_accelerometer_data_;
 
+  // True when the screen's orientation is being changed.
+  bool in_set_screen_rotation_;
+
   DISALLOW_COPY_AND_ASSIGN(MaximizeModeController);
 };