[WIP] Migrate hasPendingActivity from ActiveDOMObject to ScriptWrappable.

third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp

Index: third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp
diff --git a/third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp b/third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp
index be89af3a7e88411e5007d9062046e1b46f274038..3191d339b8eb5849d00ef8c08b0a47b02dd58d3c 100644
--- a/third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp
+++ b/third_party/WebKit/Source/core/dom/ActiveDOMObject.cpp
@@ -69,11 +69,6 @@ void ActiveDOMObject::suspendIfNeeded()
         context->suspendActiveDOMObjectIfNeeded(this);
 }
 
-bool ActiveDOMObject::hasPendingActivity() const
-{
-    return false;
-}
-
 void ActiveDOMObject::suspend()
 {
 }