bindings: Use Maybe version of Get in bindings/

Source/bindings/core/v8/V8ThrowException.cpp

Index: Source/bindings/core/v8/V8ThrowException.cpp
diff --git a/Source/bindings/core/v8/V8ThrowException.cpp b/Source/bindings/core/v8/V8ThrowException.cpp
index a39f75912fea7bc248b2615d667d6d3e2609fb4c..bff7085ab0b3da542f8be45dd302e105645633e9 100644
--- a/Source/bindings/core/v8/V8ThrowException.cpp
+++ b/Source/bindings/core/v8/V8ThrowException.cpp
@@ -36,7 +36,10 @@ namespace blink {
 static void domExceptionStackGetter(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     ASSERT(info.Data()->IsObject());
-    v8SetReturnValue(info, info.Data()->ToObject(info.GetIsolate())->Get(v8AtomicString(info.GetIsolate(), "stack")));
+    v8::Isolate* isolate = info.GetIsolate();
+    v8::Local<v8::Value> value;
+    if (info.Data().As<v8::Object>()->Get(isolate->GetCurrentContext(), v8AtomicString(isolate, "stack")).ToLocal(&value))
+        v8SetReturnValue(info, value);
 }
 
 static void domExceptionStackSetter(v8::Local<v8::Name> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)