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

chrome/browser/chromeos/preferences_browsertest.cc

 // Copyright 2014 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 <sys/types.h>
 
 #include "ash/shell.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/prefs/pref_service.h"
@@ skipping 103 matching lines @@
               prefs->GetBoolean(prefs::kTapToClickEnabled));
     EXPECT_EQ(local_state->GetBoolean(prefs::kOwnerPrimaryMouseButtonRight),
               prefs->GetBoolean(prefs::kPrimaryMouseButtonRight));
   }
 
   void DisableAnimations() {
     // Disable animations for user transitions.
     chrome::MultiUserWindowManagerChromeOS* manager =
         static_cast<chrome::MultiUserWindowManagerChromeOS*>(
             chrome::MultiUserWindowManager::GetInstance());
-    manager->SetAnimationsForTest(true);
+    manager->SetAnimationSpeedForTest(
+        chrome::MultiUserWindowManagerChromeOS::ANIMATION_SPEED_DISABLED);
   }
 
  private:
   system::FakeInputDeviceSettings* input_settings_;
   input_method::FakeXKeyboard* xkeyboard_;
 
   DISALLOW_COPY_AND_ASSIGN(PreferencesTest);
 };
 
 IN_PROC_BROWSER_TEST_F(PreferencesTest, PRE_MultiProfiles) {
@@ skipping 65 matching lines @@
                      !prefs1->GetBoolean(prefs::kTapToClickEnabled));
   CheckLocalStateCorrespondsToPrefs(prefs1);
 
   // Switch user back.
   user_manager->SwitchActiveUser(kTestUsers[0]);
   CheckSettingsCorrespondToPrefs(prefs1);
   CheckLocalStateCorrespondsToPrefs(prefs1);
 }
 
 }  // namespace chromeos