bindings: Use Maybe version of Get in bindings/

Source/bindings/core/v8/ScriptState.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/core/v8/ScriptState.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/LocalDOMWindow.h"
@@ skipping 70 matching lines @@
 
 void ScriptState::setEvalEnabled(bool enabled)
 {
     v8::HandleScope handleScope(m_isolate);
     return context()->AllowCodeGenerationFromStrings(enabled);
 }
 
 ScriptValue ScriptState::getFromGlobalObject(const char* name)
 {
     v8::HandleScope handleScope(m_isolate);
-    v8::Local<v8::Value> v8Value = context()->Global()->Get(v8AtomicString(isolate(), name));
+    v8::Local<v8::Value> v8Value;
+    if (!context()->Global()->Get(context(), v8AtomicString(isolate(), name)).ToLocal(&v8Value))
+        return ScriptValue();
     return ScriptValue(this, v8Value);
 }
 
 ExecutionContext* ScriptState::executionContext() const
 {
     v8::HandleScope scope(m_isolate);
     return toExecutionContext(context());
 }
 
 void ScriptState::setExecutionContext(ExecutionContext*)
 {
     ASSERT_NOT_REACHED();
 }
 
 LocalDOMWindow* ScriptState::domWindow() const
 {
     v8::HandleScope scope(m_isolate);
     return toLocalDOMWindow(toDOMWindow(context()));
 }
 
 ScriptState* ScriptState::forMainWorld(LocalFrame* frame)
 {
     v8::Isolate* isolate = toIsolate(frame);
     v8::HandleScope handleScope(isolate);
     return ScriptState::from(toV8Context(frame, DOMWrapperWorld::mainWorld()));
 }
 
 }