Make EventHandler::ActiveIntervalTimer mockable.

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 822bdd8b2139c24e21bcff53e0b8d9e9df668ff3..c1bee9b4a8ddab2b4518d7521cfcd85efe946880 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1234,6 +1234,29 @@ PassRefPtr<ClientRect> Internals::bestZoomableAreaForTouchPoint(long x, long y,
     return 0;
 }
 
+void Internals::suspendActiveIntervalTimer(Document* document, ExceptionState& exceptionState)
+{
+    if (!document || !document->frame())
+        exceptionState.throwUninformativeAndGenericDOMException(InvalidAccessError);
+
+    document->frame()->eventHandler().suspendActiveIntervalTimer();
+}
+
+void Internals::resumeActiveIntervalTimer(Document* document, ExceptionState& exceptionState)
+{
+    if (!document || !document->frame())
+        exceptionState.throwUninformativeAndGenericDOMException(InvalidAccessError);
+
+    document->frame()->eventHandler().resumeActiveIntervalTimer();
+}
+
+void Internals::fireActiveIntervalTimer(Document* document, ExceptionState& exceptionState)
+{
+    if (!document || !document->frame())
+        exceptionState.throwUninformativeAndGenericDOMException(InvalidAccessError);
+
+    document->frame()->eventHandler().fireActiveIntervalTimer();
+}
 
 int Internals::lastSpellCheckRequestSequence(Document* document, ExceptionState& exceptionState)
 {