Move MaximizeModeController into ash/common

ash/mus/bridge/wm_shell_mus.cc

Index: ash/mus/bridge/wm_shell_mus.cc
diff --git a/ash/mus/bridge/wm_shell_mus.cc b/ash/mus/bridge/wm_shell_mus.cc
index a655c7327dea14ff89100921b5101473d695066a..55b34d6620f90e2766e1fc54937415053d444d6d 100644
--- a/ash/mus/bridge/wm_shell_mus.cc
+++ b/ash/mus/bridge/wm_shell_mus.cc
@@ -11,6 +11,7 @@
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/tray/default_system_tray_delegate.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_event_handler.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/window_resizer.h"
 #include "ash/common/wm_activation_observer.h"
@@ -180,6 +181,12 @@ const DisplayInfo& WmShellMus::GetDisplayInfo(int64_t display_id) const {
   return fake_info;
 }
 
+bool WmShellMus::IsActiveDisplayId(int64_t display_id) const {
+  // TODO: implement http://crbug.com/622480.
+  NOTIMPLEMENTED();
+  return true;
+}
+
 bool WmShellMus::IsForceMaximizeOnFirstRun() {
   NOTIMPLEMENTED();
   return false;
@@ -233,6 +240,13 @@ WmShellMus::CreateMaximizeModeEventHandler() {
   return nullptr;
 }
 
+std::unique_ptr<ScopedDisableInternalMouseAndKeyboard>
+WmShellMus::CreateScopedDisableInternalMouseAndKeyboard() {
+  // TODO: needs implementation for mus, http://crbug.com/624967.
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
 void WmShellMus::OnOverviewModeStarting() {
   FOR_EACH_OBSERVER(ShellObserver, *shell_observers(),
                     OnOverviewModeStarting());