Implemented swipe to close in overview mode.

ash/wm/overview/window_selector.cc

Index: ash/wm/overview/window_selector.cc
diff --git a/ash/wm/overview/window_selector.cc b/ash/wm/overview/window_selector.cc
index 338f9e9c866c5de08d048cfe2180f4a1365c5626..77adb1346f0e055a7324f1f8759af876bf5b3cb1 100644
--- a/ash/wm/overview/window_selector.cc
+++ b/ash/wm/overview/window_selector.cc
@@ -5,6 +5,7 @@
 #include "ash/wm/overview/window_selector.h"
 
 #include <algorithm>
+#include <functional>
 #include <set>
 #include <vector>
 
@@ -293,18 +294,18 @@ WindowSelector::~WindowSelector() {
   shell->activation_client()->RemoveObserver(this);
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 
+  OverviewAnimationSettingsProvider* animation_settings_provider =
+      ash::Shell::GetInstance()
+          ->window_selector_controller()
+          ->GetAnimationSettingsProvider();
+
   const aura::WindowTracker::Windows hidden_windows(hidden_windows_.windows());
   for (aura::WindowTracker::Windows::const_iterator iter =
        hidden_windows.begin(); iter != hidden_windows.end(); ++iter) {
-    OverviewAnimationSettingsProvider* animation_settings_provider =
-        ash::Shell::GetInstance()
-            ->window_selector_controller()
-            ->GetAnimationSettingsProvider();
-    scoped_ptr<ui::ScopedLayerAnimationSettings> animation_settings =
+    scoped_ptr<ui::ScopedLayerAnimationSettings> settings =
         animation_settings_provider->Create(
-            ash::OverviewAnimationSettingsProvider::AnimationType::
-                LAYOUT_SELECTOR_ITEMS,
-            *iter);
+            OverviewAnimationSettingsProvider::AnimationType::RESTORE_WINDOW,
+            (*iter));
     (*iter)->layer()->SetOpacity(1);
     (*iter)->Show();
   }
@@ -546,21 +547,22 @@ void WindowSelector::HideAndTrackNonOverviewWindows() {
     }
   }
 
+  OverviewAnimationSettingsProvider* animation_settings_provider =
+      ash::Shell::GetInstance()
+          ->window_selector_controller()
+          ->GetAnimationSettingsProvider();
+
   // Copy the window list as it can change during iteration.
   const aura::WindowTracker::Windows hidden_windows(hidden_windows_.windows());
   for (aura::WindowTracker::Windows::const_iterator iter =
        hidden_windows.begin(); iter != hidden_windows.end(); ++iter) {
     if (!hidden_windows_.Contains(*iter))
       continue;
-    OverviewAnimationSettingsProvider* animation_settings_provider =
-        ash::Shell::GetInstance()
-            ->window_selector_controller()
-            ->GetAnimationSettingsProvider();
-    scoped_ptr<ui::ScopedLayerAnimationSettings> animation_settings =
+
+    scoped_ptr<ui::ScopedLayerAnimationSettings> settings =
         animation_settings_provider->Create(
-            ash::OverviewAnimationSettingsProvider::AnimationType::
-                HIDE_WINDOW,
-            *iter);
+            OverviewAnimationSettingsProvider::AnimationType::HIDE_WINDOW,
+            (*iter));
     (*iter)->Hide();
     // Hiding the window can result in it being destroyed.
     if (!hidden_windows_.Contains(*iter))