Move MaximizeModeController into ash/common

ash/aura/wm_shell_aura.cc

Index: ash/aura/wm_shell_aura.cc
diff --git a/ash/aura/wm_shell_aura.cc b/ash/aura/wm_shell_aura.cc
index 98f8c064052b2b9e2573708b19a28d515ed6c9d4..90a6d84fae0f93ce17e362d0fe62e5407df9e2ed 100644
--- a/ash/aura/wm_shell_aura.cc
+++ b/ash/aura/wm_shell_aura.cc
@@ -7,6 +7,7 @@
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_observer.h"
+#include "ash/common/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm_activation_observer.h"
@@ -27,6 +28,14 @@
 #include "ash/virtual_keyboard_controller.h"
 #endif
 
+#if defined(USE_X11)
+#include "ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard_x11.h"
+#endif
+
+#if defined(USE_OZONE)
+#include "ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard_ozone.h"
+#endif
+
 namespace ash {
 
 WmShellAura::WmShellAura() {
@@ -79,6 +88,10 @@ const DisplayInfo& WmShellAura::GetDisplayInfo(int64_t display_id) const {
   return Shell::GetInstance()->display_manager()->GetDisplayInfo(display_id);
 }
 
+bool WmShellAura::IsActiveDisplayId(int64_t display_id) const {
+  return Shell::GetInstance()->display_manager()->IsActiveDisplayId(display_id);
+}
+
 bool WmShellAura::IsForceMaximizeOnFirstRun() {
   return Shell::GetInstance()->delegate()->IsForceMaximizeOnFirstRun();
 }
@@ -128,6 +141,16 @@ WmShellAura::CreateMaximizeModeEventHandler() {
   return base::WrapUnique(new wm::MaximizeModeEventHandlerAura);
 }
 
+std::unique_ptr<ScopedDisableInternalMouseAndKeyboard>
+WmShellAura::CreateScopedDisableInternalMouseAndKeyboard() {
+#if defined(USE_X11)
+  return base::WrapUnique(new ScopedDisableInternalMouseAndKeyboardX11);
+#elif defined(USE_OZONE)
+  return base::WrapUnique(new ScopedDisableInternalMouseAndKeyboardOzone);
+#endif
+  return nullptr;
+}
+
 void WmShellAura::OnOverviewModeStarting() {
   FOR_EACH_OBSERVER(ShellObserver, *shell_observers(),
                     OnOverviewModeStarting());