Converts RootWindowLayoutManager to common types

ash/root_window_controller_common.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 "ash/root_window_controller_common.h"
 
 #include "ash/common/wm/wm_globals.h"
 #include "ash/common/wm/wm_window.h"
 #include "ash/shell_window_ids.h"
+#include "ash/wm/root_window_layout_manager.h"
+#include "base/memory/ptr_util.h"
 
 namespace ash {
 namespace {
 
 // Creates a new window for use as a container.
 wm::WmWindow* CreateContainer(int window_id,
                               const char* name,
                               wm::WmWindow* parent) {
   wm::WmWindow* window = wm::WmGlobals::Get()->NewContainerWindow();
   window->SetShellWindowId(window_id);
   window->SetName(name);
   parent->AddChild(window);
   if (window_id != kShellWindowId_UnparentedControlContainer)
     window->Show();
   return window;
 }
 
 }  // namespace
 
 RootWindowControllerCommon::RootWindowControllerCommon(wm::WmWindow* root)
-    : root_(root) {}
+    : root_(root), root_window_layout_(nullptr) {}
 
 RootWindowControllerCommon::~RootWindowControllerCommon() {}
 
 void RootWindowControllerCommon::CreateContainers() {
   // These containers are just used by PowerButtonController to animate groups
   // of containers simultaneously without messing up the current transformations
   // on those containers. These are direct children of the root window; all of
   // the other containers are their children.
 
   // The desktop background container is not part of the lock animation, so it
@@ skipping 163 matching lines @@
   wm::WmWindow* mouse_cursor_container = CreateContainer(
       kShellWindowId_MouseCursorContainer, "MouseCursorContainer", root_);
   mouse_cursor_container->SetBoundsInScreenBehaviorForChildren(
       wm::WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
 #endif
 
   CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
                   "PowerButtonAnimationContainer", root_);
 }
 
+void RootWindowControllerCommon::CreateLayoutManagers() {
+  root_window_layout_ = new wm::RootWindowLayoutManager(root_);
+  root_->SetLayoutManager(base::WrapUnique(root_window_layout_));
+}
+
 }  // namespace ash