Fixing too long running unit tests on valgrind (produced by user switch animation)

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h

Index: chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
index 1cc1a0c4e54ac5fb1940e49aafdcc22eee30672e..4b575a824678a986b7ad18ca90838152745c4ec1 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
+++ b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
@@ -61,6 +61,13 @@ class MultiUserWindowManagerChromeOS
       public content::NotificationObserver,
       public wm::TransientWindowObserver {
  public:
+  // The speed which should be used to perform animations.
+  enum AnimationSpeed {
+    ANIMATION_SPEED_NORMAL,   // The normal animation speed.
+    ANIMATION_SPEED_FAST,     // Unit test speed which test animations.
+    ANIMATION_SPEED_DISABLED  // Unit tests which do not require animations.
+  };
+
   // Create the manager and use |active_user_id| as the active user.
   explicit MultiUserWindowManagerChromeOS(const std::string& active_user_id);
   virtual ~MultiUserWindowManagerChromeOS();
@@ -104,7 +111,7 @@ class MultiUserWindowManagerChromeOS
                const content::NotificationDetails& details) OVERRIDE;
 
   // Disable any animations for unit tests.
-  void SetAnimationsForTest(bool disable);
+  void SetAnimationSpeedForTest(AnimationSpeed speed);
 
   // Returns true when a user switch animation is running. For unit tests.
   bool IsAnimationRunningForTest();
@@ -244,8 +251,8 @@ class MultiUserWindowManagerChromeOS
   // used is quite expensive.
   static MultiProfileMode multi_user_mode_;
 
-  // If true, all animations will be suppressed.
-  bool animations_disabled_;
+  // The speed which is used to perform any animations.
+  AnimationSpeed animation_speed_;
 
   // The animation between users.
   scoped_ptr<UserSwichAnimatorChromeOS> animation_;