Revert of Rename MaximizeMode to TabletMode

ash/system/screen_layout_observer_unittest.cc

Index: ash/system/screen_layout_observer_unittest.cc
diff --git a/ash/system/screen_layout_observer_unittest.cc b/ash/system/screen_layout_observer_unittest.cc
index dd2d9ecbec708ea2a8f95d3608ad2b7adbce6739..08e71ff5506e5682538ffc950e77b2c8ee79f11b 100644
--- a/ash/system/screen_layout_observer_unittest.cc
+++ b/ash/system/screen_layout_observer_unittest.cc
@@ -10,7 +10,7 @@
 #include "ash/system/tray/system_tray.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_system_tray_delegate.h"
-#include "ash/wm/tablet_mode/tablet_mode_controller.h"
+#include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ -468,7 +468,8 @@
             GetDisplayNotificationAdditionalText());
 
   // Switch to Tablet
-  Shell::Get()->tablet_mode_controller()->EnableTabletModeWindowManager(true);
+  Shell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
+      true);
 
   // The accelerometer source.
   display_manager()->SetDisplayRotation(