Move ScrollableArea timer to TaskRunnerTimer.

third_party/WebKit/Source/core/frame/VisualViewport.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/frame/VisualViewport.h"
 
 #include "core/dom/DOMNodeIds.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/PageScaleConstraints.h"
 #include "core/frame/PageScaleConstraintsSet.h"
 #include "core/frame/RootFrameViewport.h"
 #include "core/frame/Settings.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/layout/TextAutosizer.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
@@ skipping 578 matching lines @@
   if (scrollbarInclusion == ExcludeScrollbars) {
     RootFrameViewport* rootFrameViewport =
         mainFrame()->view()->getRootFrameViewport();
     DCHECK(rootFrameViewport);
     rect.contract(rootFrameViewport->verticalScrollbarWidth() / m_scale,
                   rootFrameViewport->horizontalScrollbarHeight() / m_scale);
   }
   return rect;
 }
 
+RefPtr<WebTaskRunner> VisualViewport::getTimerTaskRunner() const {
+  return TaskRunnerHelper::get(TaskType::UnspecedTimer, mainFrame());
+}
+
 void VisualViewport::updateScrollOffset(const ScrollOffset& position,
                                         ScrollType scrollType) {
   if (didSetScaleOrLocation(m_scale, FloatPoint(position)) &&
       scrollType != AnchoringScroll)
     notifyRootFrameViewport();
 }
 
 GraphicsLayer* VisualViewport::layerForContainer() const {
   return m_innerViewportContainerLayer.get();
 }
@@ skipping 199 matching lines @@
   } else if (graphicsLayer == m_rootTransformLayer.get()) {
     name = "Root Transform Layer";
   } else {
     ASSERT_NOT_REACHED();
   }
 
   return name;
 }
 
 }  // namespace blink