Relayout windows in overview when display size changes.

ash/wm/overview/window_selector_window.cc

 // Copyright 2013 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/wm/overview/window_selector_window.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
@@ skipping 89 matching lines @@
                                          bool animate) {
   gfx::Rect src_rect = transform_window_.GetBoundsInScreen();
   set_bounds(ScopedTransformOverviewWindow::
         ShrinkRectToFitPreservingAspectRatio(src_rect, target_bounds));
   transform_window_.SetTransform(root_window,
       ScopedTransformOverviewWindow::GetTransformForRect(src_rect, bounds()),
       animate);
   // TODO move close button management to WindowSelectorItem, so that we can
   // also handle panels.
   // See http://crbug.com/352143
-  UpdateCloseButtonBounds(root_window);
+  UpdateCloseButtonBounds(root_window, animate);
 }
 
 void WindowSelectorWindow::ButtonPressed(views::Button* sender,
                          const ui::Event& event) {
   views::Widget::GetTopLevelWidgetForNativeView(
       transform_window_.window())->Close();
 }
 
-void WindowSelectorWindow::UpdateCloseButtonBounds(aura::Window* root_window) {
+void WindowSelectorWindow::UpdateCloseButtonBounds(aura::Window* root_window,
+                                                   bool animate) {
   gfx::Rect align_bounds(
       ScreenUtil::ConvertRectFromScreen(root_window, bounds()));
   gfx::Transform close_button_transform;
   close_button_transform.Translate(align_bounds.right(), align_bounds.y());
 
   // If the root window has changed, force the close button to be recreated
   // and faded in on the new root window.
   if (close_button_ &&
       close_button_->GetNativeWindow()->GetRootWindow() != root_window) {
     close_button_.reset();
@@ skipping 20 matching lines @@
         ui::LayerAnimationElement::OPACITY);
     {
       ui::ScopedLayerAnimationSettings settings(layer->GetAnimator());
       settings.SetPreemptionStrategy(
           ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS);
       settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
             WindowSelectorItem::kFadeInMilliseconds));
       layer->SetOpacity(1);
     }
   } else {
-    ui::ScopedLayerAnimationSettings settings(
-        close_button_->GetNativeWindow()->layer()->GetAnimator());
-    settings.SetPreemptionStrategy(
-        ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
-    settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
-        ScopedTransformOverviewWindow::kTransitionMilliseconds));
-    close_button_->GetNativeWindow()->SetTransform(close_button_transform);
+    if (animate) {
+      ui::ScopedLayerAnimationSettings settings(
+          close_button_->GetNativeWindow()->layer()->GetAnimator());
+      settings.SetPreemptionStrategy(
+          ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
+      settings.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
+          ScopedTransformOverviewWindow::kTransitionMilliseconds));
+      close_button_->GetNativeWindow()->SetTransform(close_button_transform);
+    } else {
+      close_button_->GetNativeWindow()->SetTransform(close_button_transform);
+    }
   }
 }
 
 }  // namespace ash