Replace v8::Handle with v8::Local in core/testing/*

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 1409a16ed29bdca9f80b3498aee488f9451f8982..658cbabec7e1b8a367d2f835c0c565af9b653765 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -269,7 +269,7 @@ String Internals::address(Node* node)
 
 GCObservation* Internals::observeGC(ScriptValue scriptValue)
 {
-    v8::Handle<v8::Value> observedValue = scriptValue.v8Value();
+    v8::Local<v8::Value> observedValue = scriptValue.v8Value();
     ASSERT(!observedValue.IsEmpty());
     if (observedValue->IsNull() || observedValue->IsUndefined()) {
         V8ThrowException::throwTypeError(v8::Isolate::GetCurrent(), "value to observe is null or undefined");
@@ -2090,7 +2090,7 @@ namespace {
 
 class AddOneFunction : public ScriptFunction {
 public:
-    static v8::Handle<v8::Function> createFunction(ScriptState* scriptState)
+    static v8::Local<v8::Function> createFunction(ScriptState* scriptState)
     {
         AddOneFunction* self = new AddOneFunction(scriptState);
         return self->bindToV8Function();