Oilpan: fix build after r198872.

Source/core/inspector/InspectorResourceContentLoader.h

Index: Source/core/inspector/InspectorResourceContentLoader.h
diff --git a/Source/core/inspector/InspectorResourceContentLoader.h b/Source/core/inspector/InspectorResourceContentLoader.h
index 6a0819a4c889bae3050f6c34df86c653132c3fdc..ecb683ba92ec192f4665d8bcc2ae0268cbadca24 100644
--- a/Source/core/inspector/InspectorResourceContentLoader.h
+++ b/Source/core/inspector/InspectorResourceContentLoader.h
@@ -29,7 +29,7 @@ public:
     void dispose();
     DECLARE_TRACE();
 
-    void ensureResourcesContentLoaded(PassOwnPtrWillBeRawPtr<Closure> callback);
+    void ensureResourcesContentLoaded(PassOwnPtr<Closure> callback);
     void didCommitLoadForLocalFrame(LocalFrame*);
 
 private:
@@ -42,7 +42,7 @@ private:
     void stop();
     bool hasFinished();
 
-    WillBeHeapVector<OwnPtrWillBeMember<Closure>> m_callbacks;
+    Vector<OwnPtr<Closure>> m_callbacks;
     bool m_allRequestsStarted;
     bool m_started;
     RawPtrWillBeMember<LocalFrame> m_inspectedFrame;