bindings: Use Maybe version of Get in bindings/

Source/bindings/core/v8/WindowProxy.cpp

Index: Source/bindings/core/v8/WindowProxy.cpp
diff --git a/Source/bindings/core/v8/WindowProxy.cpp b/Source/bindings/core/v8/WindowProxy.cpp
index 51aeff63cf0728403532e18d27da188ed233c1ca..43761438c3d48a99fbe66256be57a264e3b16c11 100644
--- a/Source/bindings/core/v8/WindowProxy.cpp
+++ b/Source/bindings/core/v8/WindowProxy.cpp
@@ -455,15 +455,16 @@ static void getter(v8::Local<v8::Name> property, const v8::PropertyCallbackInfo<
     AtomicString name = toCoreAtomicString(property.As<v8::String>());
     HTMLDocument* htmlDocument = V8HTMLDocument::toImpl(info.Holder());
     ASSERT(htmlDocument);
-    v8::Handle<v8::Value> result = getNamedProperty(htmlDocument, name, info.Holder(), info.GetIsolate());
+    v8::Local<v8::Value> result = getNamedProperty(htmlDocument, name, info.Holder(), info.GetIsolate());
     if (!result.IsEmpty()) {
         v8SetReturnValue(info, result);
         return;
     }
-    v8::Handle<v8::Value> prototype = info.Holder()->GetPrototype();
+    v8::Local<v8::Value> prototype = info.Holder()->GetPrototype();
     if (prototype->IsObject()) {
-        v8SetReturnValue(info, prototype.As<v8::Object>()->Get(property));
-        return;
+        v8::Local<v8::Value> value;
+        if (prototype.As<v8::Object>()->Get(info.GetIsolate()->GetCurrentContext(), property).ToLocal(&value))
+            v8SetReturnValue(info, value);
     }
 }