Lock rotation when screen is manually rotated.

ash/display/root_window_transformers_unittest.cc

Index: ash/display/root_window_transformers_unittest.cc
diff --git a/ash/display/root_window_transformers_unittest.cc b/ash/display/root_window_transformers_unittest.cc
index 62d768162d341ed821ebc3235eda812afd5a5a7b..1f77ee51b3a69312ffee719b4df8f675e88f8163 100644
--- a/ash/display/root_window_transformers_unittest.cc
+++ b/ash/display/root_window_transformers_unittest.cc
@@ -20,6 +20,7 @@
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tracker.h"
+#include "ui/display/types/display_constants.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/rect_conversions.h"
@@ -162,7 +163,8 @@ TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
   magnifier->SetEnabled(false);
 
   display_manager->SetDisplayRotation(display1.id(),
-                                      gfx::Display::ROTATE_90);
+                                      gfx::Display::ROTATE_90,
+                                      ui::USER);
   // Move the cursor to the center of the first root window.
   generator1.MoveMouseToInHost(59, 100);
 
@@ -186,7 +188,8 @@ TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 
   display_manager->SetDisplayRotation(display2_id,
-                                      gfx::Display::ROTATE_270);
+                                      gfx::Display::ROTATE_270,
+                                      ui::USER);
   // Move the cursor to the center of the second root window.
   generator2.MoveMouseToInHost(151, 199);
 
@@ -204,7 +207,8 @@ TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
   magnifier->SetEnabled(false);
 
   display_manager->SetDisplayRotation(display1.id(),
-                                      gfx::Display::ROTATE_180);
+                                      gfx::Display::ROTATE_180,
+                                      ui::USER);
   // Move the cursor to the center of the first root window.
   generator1.MoveMouseToInHost(59, 99);