mash: wires up shadows for mash

ui/views/mus/desktop_window_tree_host_mus.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/mus/desktop_window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 269 matching lines @@
   // renders to.
   content_window->layer()->SetFillsBoundsOpaquely(false);
   if (!params.bounds.IsEmpty())
     SetBoundsInDIP(params.bounds);
 
   cursor_manager_ = base::MakeUnique<wm::CursorManager>(
       base::MakeUnique<NativeCursorManagerMus>(window()));
   aura::client::SetCursorClient(window(), cursor_manager_.get());
   InitHost();
 
+  NativeWidgetAura::SetShadowElevationFromInitParams(window(), params);
+
   // Transient parents are connected using the Window created by WindowTreeHost,
   // which is owned by the window manager. This way the window manager can
   // properly identify and honor transients.
   if (params.parent && params.parent->GetHost()) {
     aura::client::GetTransientWindowClient()->AddTransientChild(
         params.parent->GetHost()->window(), window());
   }
 
   if (!params.accept_events) {
     aura::WindowPortMus::Get(window())->SetEventTargetingPolicy(
@@ skipping 410 matching lines @@
 bool DesktopWindowTreeHostMus::ShouldUpdateWindowTransparency() const {
   // Needed so the window manager can render the client decorations.
   return false;
 }
 
 bool DesktopWindowTreeHostMus::ShouldUseDesktopNativeCursorManager() const {
   // We manage the cursor ourself.
   return false;
 }
 
+bool DesktopWindowTreeHostMus::ShouldCreateVisibilityController() const {
+  // Window manager takes care of all top-level window animations.
+  return false;
+}
+
 void DesktopWindowTreeHostMus::OnWindowManagerFrameValuesChanged() {
   NonClientView* non_client_view =
       native_widget_delegate_->AsWidget()->non_client_view();
   if (non_client_view) {
     non_client_view->Layout();
     non_client_view->SchedulePaint();
   }
 
   SendClientAreaToServer();
   SendHitTestMaskToServer();
@@ skipping 66 matching lines @@
     aura::client::FocusClient* focus_client,
     aura::Window* window) {
   if (window == this->window()) {
     desktop_native_widget_aura_->HandleActivationChanged(true);
   } else if (is_active_) {
     desktop_native_widget_aura_->HandleActivationChanged(false);
   }
 }
 
 }  // namespace views