compositor: Tick the UI animations from cc, instead of from timer callbacks.

ash/wm/overview/window_selector_unittest.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/accessibility_delegate.h"
 #include "ash/drag_drop/drag_drop_controller.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_widget.h"
@@ skipping 18 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
+#include "ui/compositor/test/layer_animator_collection_test_controller.h"
 #include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/transform.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/widget/native_widget_aura.h"
 #include "ui/wm/core/window_util.h"
 #include "ui/wm/public/activation_delegate.h"
 
 namespace ash {
 namespace {
 
@@ skipping 270 matching lines @@
     EXPECT_TRUE(window1->IsVisible());
     EXPECT_TRUE(window1->layer()->GetTargetVisibility());
   }
   {
     ui::ScopedAnimationDurationScaleMode normal_duration_mode(
         ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
     ToggleOverview();
     EXPECT_FALSE(window1->IsVisible());
     EXPECT_FALSE(window1->layer()->GetTargetVisibility());
   }
+
+  // Toggling overview mode initiates animations on |window1|, as well as other
+  // windows used for the overview mode. Make sure the animations are stopped to
+  // avoid leaking the animators.
+  ui::LayerAnimatorCollectionTestController collection_controller(
+      window1->layer()->GetCompositor()->layer_animator_collection());
+  collection_controller.StopAllAnimators();
 }
 
 // Tests that a bounds change during overview is corrected for.
 TEST_F(WindowSelectorTest, BoundsChangeDuringOverview) {
   scoped_ptr<aura::Window> window(CreateWindow(gfx::Rect(0, 0, 400, 400)));
   ToggleOverview();
   gfx::Rect overview_bounds =
       ToEnclosingRect(GetTransformedTargetBounds(window.get()));
   window->SetBounds(gfx::Rect(200, 0, 200, 200));
   gfx::Rect new_overview_bounds =
@@ skipping 390 matching lines @@
   UpdateDisplay("600x200/r");
   EXPECT_EQ("0,0 200x600", root_window->bounds().ToString());
   for (ScopedVector<aura::Window>::iterator iter = windows.begin();
        iter != windows.end(); ++iter) {
     EXPECT_TRUE(root_window->bounds().Contains(
         ToEnclosingRect(GetTransformedTargetBounds(*iter))));
   }
 }
 
 }  // namespace ash