Remove calls to HandleScope default ctor.

Source/bindings/v8/ScriptEventListener.cpp

Index: Source/bindings/v8/ScriptEventListener.cpp
diff --git a/Source/bindings/v8/ScriptEventListener.cpp b/Source/bindings/v8/ScriptEventListener.cpp
index 1d4a7f3a5ff1d3027f7cfd7a217634d7c6fc87c2..ca973a39728335f08207d86080bd12aee8f5ab6c 100644
--- a/Source/bindings/v8/ScriptEventListener.cpp
+++ b/Source/bindings/v8/ScriptEventListener.cpp
@@ -94,7 +94,7 @@ String eventListenerHandlerBody(Document* document, EventListener* listener)
     if (listener->type() != EventListener::JSEventListenerType)
         return "";
 
-    v8::HandleScope scope;
+    v8::HandleScope scope(getIsolateFromScriptExecutionContext(document));
     V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
     v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
     v8::Context::Scope contextScope(context);
@@ -110,7 +110,7 @@ ScriptValue eventListenerHandler(Document* document, EventListener* listener)
     if (listener->type() != EventListener::JSEventListenerType)
         return ScriptValue();
 
-    v8::HandleScope scope;
+    v8::HandleScope scope(getIsolateFromScriptExecutionContext(document));
     V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
     v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
     v8::Context::Scope contextScope(context);
@@ -125,7 +125,7 @@ ScriptState* eventListenerHandlerScriptState(Frame* frame, EventListener* listen
     if (listener->type() != EventListener::JSEventListenerType)
         return 0;
     V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
-    v8::HandleScope scope;
+    v8::HandleScope scope(frame->script()->isolate());
     v8::Handle<v8::Context> v8Context = frame->script()->windowShell(v8Listener->world())->context();
     return ScriptState::forContext(v8Context);
 }
@@ -135,7 +135,7 @@ bool eventListenerHandlerLocation(Document* document, EventListener* listener, S
     if (listener->type() != EventListener::JSEventListenerType)
         return false;
 
-    v8::HandleScope scope;
+    v8::HandleScope scope(getIsolateFromScriptExecutionContext(document));
     V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListener*>(listener);
     v8::Handle<v8::Context> context = toV8Context(document, v8Listener->world());
     v8::Context::Scope contextScope(context);