Renames WmWindowUserData and converts to using aura

ash/common/wm/window_dimmer.cc

Index: ash/common/wm/window_dimmer.cc
diff --git a/ash/common/wm/window_dimmer.cc b/ash/common/wm/window_dimmer.cc
index c90d806832fe21d6b24aa82e6689315fee2209f6..5c6c5382bce73d1cbddfa462138d4f35e6a02670 100644
--- a/ash/common/wm/window_dimmer.cc
+++ b/ash/common/wm/window_dimmer.cc
@@ -11,6 +11,7 @@
 #include "base/time/time.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
+#include "ui/wm/core/visibility_controller.h"
 #include "ui/wm/core/window_animations.h"
 
 namespace ash {
@@ -22,63 +23,63 @@ const float kDefaultDimOpacity = 0.5f;
 
 }  // namespace
 
-WindowDimmer::WindowDimmer(WmWindow* parent)
+WindowDimmer::WindowDimmer(aura::Window* parent)
     : parent_(parent),
-      window_(WmShell::Get()->NewWindow(ui::wm::WINDOW_TYPE_NORMAL,
-                                        ui::LAYER_SOLID_COLOR)) {
-  window_->SetVisibilityChangesAnimated();
-  window_->SetVisibilityAnimationType(
-      ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
-  window_->SetVisibilityAnimationDuration(
+      window_(WmShell::Get()
+                  ->NewWindow(ui::wm::WINDOW_TYPE_NORMAL, ui::LAYER_SOLID_COLOR)
+                  ->aura_window()) {
+  ::wm::SetWindowVisibilityChangesAnimated(window_.get());
+  ::wm::SetWindowVisibilityAnimationType(
+      window_.get(), ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
+  ::wm::SetWindowVisibilityAnimationDuration(
+      window_.get(),
       base::TimeDelta::FromMilliseconds(kDefaultDimAnimationDurationMs));
-  window_->aura_window()->AddObserver(this);
+  window_->AddObserver(this);
 
   SetDimOpacity(kDefaultDimOpacity);
 
-  parent->AddChild(window_);
-  parent->aura_window()->AddObserver(this);
-  parent->StackChildAtTop(window_);
+  parent->AddChild(window_.get());
+  parent->AddObserver(this);
+  parent->StackChildAtTop(window_.get());
 
-  window_->SetBounds(gfx::Rect(parent_->GetBounds().size()));
+  window_->SetBounds(gfx::Rect(parent_->bounds().size()));
 }
 
 WindowDimmer::~WindowDimmer() {
   if (parent_)
-    parent_->aura_window()->RemoveObserver(this);
+    parent_->RemoveObserver(this);
   if (window_) {
-    window_->aura_window()->RemoveObserver(this);
-    window_->Destroy();
+    window_->RemoveObserver(this);
+    window_.reset();
   }
 }
 
 void WindowDimmer::SetDimOpacity(float target_opacity) {
   DCHECK(window_);
-  window_->GetLayer()->SetColor(
-      SkColorSetA(SK_ColorBLACK, 255 * target_opacity));
+  window_->layer()->SetColor(SkColorSetA(SK_ColorBLACK, 255 * target_opacity));
 }
 
 void WindowDimmer::OnWindowBoundsChanged(aura::Window* window,
                                          const gfx::Rect& old_bounds,
                                          const gfx::Rect& new_bounds) {
-  if (WmWindow::Get(window) == parent_)
+  if (window == parent_)
     window_->SetBounds(gfx::Rect(new_bounds.size()));
 }
 
 void WindowDimmer::OnWindowDestroying(aura::Window* window) {
-  if (WmWindow::Get(window) == parent_) {
-    parent_->aura_window()->RemoveObserver(this);
+  if (window == parent_) {
+    parent_->RemoveObserver(this);
     parent_ = nullptr;
   } else {
-    DCHECK_EQ(window_, WmWindow::Get(window));
-    window_->aura_window()->RemoveObserver(this);
-    window_ = nullptr;
+    DCHECK_EQ(window_.get(), window);
+    window_->RemoveObserver(this);
+    window_.release();
   }
 }
 
 void WindowDimmer::OnWindowHierarchyChanging(
     const HierarchyChangeParams& params) {
-  if (WmWindow::Get(params.receiver) == window_ &&
-      params.target == params.receiver) {
+  if (params.receiver == window_.get() && params.target == params.receiver) {
     // This may happen on a display change or some unexpected condition. Hide
     // the window to ensure it isn't obscuring the wrong thing.
     window_->Hide();