Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/storage/InspectorDOMStorageAgent.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 190 matching lines @@
         success = storageId->getBoolean("isLocalStorage", &isLocalStorage);
     if (!success) {
         if (errorString)
             *errorString = "Invalid storageId format";
         return nullptr;
     }
 
     if (!m_page->mainFrame()->isLocalFrame())
         return nullptr;
 
-    OwnPtrWillBeRawPtr<InspectedFrames> inspectedFrames = InspectedFrames::create(m_page->deprecatedLocalMainFrame());
+    RawPtr<InspectedFrames> inspectedFrames = InspectedFrames::create(m_page->deprecatedLocalMainFrame());
     LocalFrame* frame = inspectedFrames->frameWithSecurityOrigin(securityOrigin);
     if (!frame) {
         if (errorString)
             *errorString = "LocalFrame not found for the given security origin";
         return nullptr;
     }
     targetFrame = frame;
 
     if (isLocalStorage)
         return StorageNamespace::localStorageArea(frame->document()->securityOrigin());
     StorageNamespace* sessionStorage = StorageNamespaceController::from(m_page)->sessionStorage();
     if (!sessionStorage) {
         if (errorString)
             *errorString = "SessionStorage is not supported";
         return nullptr;
     }
     return sessionStorage->storageArea(frame->document()->securityOrigin());
 }
 
 } // namespace blink