Make EventHandler::ActiveIntervalTimer mockable.

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index 24b02a8368b3bdeed6d7d9d685d4feb0c5e91130..2b0ee5625dc6fb2393184dd845ebb3217808711f 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -2739,6 +2739,21 @@ bool EventHandler::bestZoomableAreaForTouchPoint(const IntPoint& touchCenter, co
     return findBestZoomableArea(targetNode, targetArea, touchCenter, touchRect, Vector<RefPtr<Node> >(nodes));
 }
 
+void EventHandler::suspendActiveIntervalTimer()
+{
+    m_activeIntervalTimer.suspend();
+}
+
+void EventHandler::resumeActiveIntervalTimer()
+{
+    m_activeIntervalTimer.resume();
+}
+
+void EventHandler::fireActiveIntervalTimer()
+{
+    m_activeIntervalTimer.fire();
+}
+
 bool EventHandler::adjustGesturePosition(const PlatformGestureEvent& gestureEvent, IntPoint& adjustedPoint)
 {
     if (!shouldApplyTouchAdjustment(gestureEvent))