Sync requestFullscreen() and exitFullscreen() algorithms with the spec

third_party/WebKit/Source/core/html/shadow/MediaControlsOrientationLockDelegateTest.cpp

 // Copyright 2016 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 "core/html/shadow/MediaControlsOrientationLockDelegate.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/Fullscreen.h"
 #include "core/frame/ScreenOrientationController.h"
@@ skipping 152 matching lines @@
 
   static bool hasDelegate(const MediaControls& mediaControls) {
     return !!mediaControls.m_orientationLockDelegate;
   }
 
   void simulateEnterFullscreen() {
     UserGestureIndicator gesture(DocumentUserGestureToken::create(&document()));
 
     Fullscreen::requestFullscreen(video());
     Fullscreen::from(document()).didEnterFullscreen();
-    testing::runPendingTasks();
+    document().serviceScriptedAnimations(WTF::monotonicallyIncreasingTime());
   }
 
   void simulateExitFullscreen() {
     Fullscreen::exitFullscreen(document());
     Fullscreen::from(document()).didExitFullscreen();
-    testing::runPendingTasks();
+    document().serviceScriptedAnimations(WTF::monotonicallyIncreasingTime());
   }
 
   void simulateOrientationLock() {
     ScreenOrientationController* controller =
         ScreenOrientationController::from(*document().frame());
     controller->lock(WebScreenOrientationLockLandscape,
                      WTF::wrapUnique(new DummyScreenOrientationCallback));
     EXPECT_TRUE(controller->maybeHasActiveLock());
   }
 
@@ skipping 222 matching lines @@
   EXPECT_EQ(WebScreenOrientationLockLandscape, computeOrientationLock());
 
   screenInfo.orientationType = WebScreenOrientationLandscapeSecondary;
   EXPECT_CALL(chromeClient(), screenInfo())
       .Times(1)
       .WillOnce(Return(screenInfo));
   EXPECT_EQ(WebScreenOrientationLockLandscape, computeOrientationLock());
 }
 
 }  // namespace blink