Move MaximizeModeController into ash/common

ash/mus/bridge/wm_shell_mus.h

Index: ash/mus/bridge/wm_shell_mus.h
diff --git a/ash/mus/bridge/wm_shell_mus.h b/ash/mus/bridge/wm_shell_mus.h
index 9bae6bc7b324063307e88d021a995b82b4afa174..0f895ae6ae1a1b053f0b963f3018000e607fa24c 100644
--- a/ash/mus/bridge/wm_shell_mus.h
+++ b/ash/mus/bridge/wm_shell_mus.h
@@ -49,6 +49,7 @@ class WmShellMus : public WmShell, public ::mus::WindowTreeClientObserver {
   WmWindow* GetRootWindowForDisplayId(int64_t display_id) override;
   WmWindow* GetRootWindowForNewWindows() override;
   const DisplayInfo& GetDisplayInfo(int64_t display_id) const override;
+  bool IsActiveDisplayId(int64_t display_id) const override;
   bool IsForceMaximizeOnFirstRun() override;
   bool IsPinned() override;
   void SetPinnedWindow(WmWindow* window) override;
@@ -62,6 +63,8 @@ class WmShellMus : public WmShell, public ::mus::WindowTreeClientObserver {
       wm::WindowState* window_state) override;
   std::unique_ptr<wm::MaximizeModeEventHandler> CreateMaximizeModeEventHandler()
       override;
+  std::unique_ptr<ScopedDisableInternalMouseAndKeyboard>
+  CreateScopedDisableInternalMouseAndKeyboard() override;
   void OnOverviewModeStarting() override;
   void OnOverviewModeEnded() override;
   AccessibilityDelegate* GetAccessibilityDelegate() override;