cc: Remove wtf/Vector dependency from CCAnimationEvents.

cc/CCLayerTreeHostImpl.cpp

 // Copyright 2011 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 "config.h"
 
 #include "CCLayerTreeHostImpl.h"
 
 #include "base/basictypes.h"
 #include "CCAppendQuadsData.h"
@@ skipping 1219 matching lines @@
     if (!CCSettings::acceleratedAnimationEnabled() || !m_needsAnimateLayers || !m_rootLayerImpl)
         return;
 
     TRACE_EVENT0("cc", "CCLayerTreeHostImpl::animateLayers");
 
     OwnPtr<CCAnimationEventsVector> events(adoptPtr(new CCAnimationEventsVector));
 
     bool didAnimate = false;
     animateLayersRecursive(m_rootLayerImpl.get(), monotonicTime, wallClockTime, events.get(), didAnimate, m_needsAnimateLayers);
 
-    if (!events->isEmpty())
+    if (!events->empty())
         m_client->postAnimationEventsToMainThreadOnImplThread(events.release(), wallClockTime);
 
     if (didAnimate)
         m_client->setNeedsRedrawOnImplThread();
 
     setBackgroundTickingEnabled(!m_visible && m_needsAnimateLayers);
 }
 
 base::TimeDelta CCLayerTreeHostImpl::lowFrequencyAnimationInterval() const
 {
@@ skipping 70 matching lines @@
         return;
 
     CCScrollbarAnimationController* scrollbarController = layer->scrollbarAnimationController();
     if (scrollbarController && scrollbarController->animate(monotonicTime))
         m_client->setNeedsRedrawOnImplThread();
 
     for (size_t i = 0; i < layer->children().size(); ++i)
         animateScrollbarsRecursive(layer->children()[i], monotonicTime);
 }
 
-} // namespace cc
+}  // namespace cc