Oilpan: fix build after r179934.

Source/core/loader/DocumentLoader.cpp

Index: Source/core/loader/DocumentLoader.cpp
diff --git a/Source/core/loader/DocumentLoader.cpp b/Source/core/loader/DocumentLoader.cpp
index 67355fb6e0c2565a4f6a0a6b82f5bdbede694820..d3255fd0c928d557ad6bc99cfec84c9243508959 100644
--- a/Source/core/loader/DocumentLoader.cpp
+++ b/Source/core/loader/DocumentLoader.cpp
@@ -454,7 +454,7 @@ void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse
         if (frameLoader()->shouldInterruptLoadForXFrameOptions(content, response.url(), identifier)) {
             InspectorInstrumentation::continueAfterXFrameOptionsDenied(m_frame, this, identifier, response);
             String message = "Refused to display '" + response.url().elidedString() + "' in a frame because it set 'X-Frame-Options' to '" + content + "'.";
-            RefPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(SecurityMessageSource, ErrorMessageLevel, message);
+            RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(SecurityMessageSource, ErrorMessageLevel, message);
             consoleMessage->setRequestIdentifier(identifier);
             frame()->document()->addMessage(consoleMessage.release());
             frame()->document()->enforceSandboxFlags(SandboxOrigin);