Remove calls to HandleScope default ctor.

Source/bindings/v8/V8PerContextData.cpp

Index: Source/bindings/v8/V8PerContextData.cpp
diff --git a/Source/bindings/v8/V8PerContextData.cpp b/Source/bindings/v8/V8PerContextData.cpp
index 6846eafb17a7a5e8b3a0b0182b34fb09a384ac2c..326aef16623d1eac26f6fed50d9d089cfc1d0aad 100644
--- a/Source/bindings/v8/V8PerContextData.cpp
+++ b/Source/bindings/v8/V8PerContextData.cpp
@@ -190,7 +190,7 @@ bool V8PerContextDebugData::setContextDebugData(v8::Handle<v8::Context> context,
 {
     if (!debugData(context)->IsUndefined())
         return false;
-    v8::HandleScope scope;
+    v8::HandleScope scope(context->GetIsolate());
     v8::Handle<v8::Value> debugData = createDebugData(worldName, debugId);
     setDebugData(context, debugData);
     return true;
@@ -198,7 +198,7 @@ bool V8PerContextDebugData::setContextDebugData(v8::Handle<v8::Context> context,
 
 int V8PerContextDebugData::contextDebugId(v8::Handle<v8::Context> context)
 {
-    v8::HandleScope scope;
+    v8::HandleScope scope(context->GetIsolate());
     v8::Handle<v8::Value> data = debugData(context);
 
     if (!data->IsString())