bindings: Use Maybe version of Get in bindings/

Source/bindings/core/v8/SerializedScriptValue.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 162 matching lines @@
     } else if (!toV8Sequence(value, length, isolate, exceptionState)) {
         if (!exceptionState.hadException())
             exceptionState.throwTypeError(ExceptionMessages::notAnArrayTypeArgumentOrValue(argumentIndex + 1));
         return false;
     }
 
     v8::Local<v8::Object> transferrables = v8::Local<v8::Object>::Cast(value);
 
     // Validate the passed array of transferrables.
     for (unsigned i = 0; i < length; ++i) {
-        v8::Local<v8::Value> transferrable = transferrables->Get(i);
+        v8::Local<v8::Value> transferrable;
+        if (!transferrables->Get(isolate->GetCurrentContext(), i).ToLocal(&transferrable))
+            return false;
         // Validation of non-null objects, per HTML5 spec 10.3.3.
         if (isUndefinedOrNull(transferrable)) {
             exceptionState.throwTypeError("Value at index " + String::number(i) + " is an untransferable " + (transferrable->IsUndefined() ? "'undefined'" : "'null'") + " value.");
             return false;
         }
         // Validation of Objects implementing an interface, per WebIDL spec 4.1.15.
         if (V8MessagePort::hasInstance(transferrable, isolate)) {
             RefPtrWillBeRawPtr<MessagePort> port = V8MessagePort::toImpl(v8::Handle<v8::Object>::Cast(transferrable));
             // Check for duplicate MessagePorts.
             if (ports.contains(port)) {
@@ skipping 34 matching lines @@
         v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-m_externallyAllocatedMemory);
     }
 }
 
 void SerializedScriptValue::transferArrayBuffers(v8::Isolate* isolate, ArrayBufferArray& arrayBuffers, ExceptionState& exceptionState)
 {
     m_arrayBufferContentsArray = createArrayBuffers(isolate, arrayBuffers, exceptionState);
 }
 
 } // namespace blink