Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/bindings/core/v8/V8GCController.cpp

 /*
  * Copyright (C) 2009 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 211 matching lines @@
             m_liveRootGroupIdSet = true;
             ++m_domObjectsWithPendingActivity;
         }
         return id;
     }
 
     v8::Isolate* m_isolate;
     // v8 guarantees that Blink will not regain control while a v8 GC runs
     // (=> no Oilpan GCs will be triggered), hence raw, untraced members
     // can safely be kept here.
-    Vector<RawPtrWillBeUntracedMember<Node>> m_groupsWhichNeedRetainerInfo;
+    Vector<UntracedMember<Node>> m_groupsWhichNeedRetainerInfo;
     int m_domObjectsWithPendingActivity;
     bool m_liveRootGroupIdSet;
     bool m_constructRetainedObjectInfos;
 };
 
 static unsigned long long usedHeapSize(v8::Isolate* isolate)
 {
     v8::HeapStatistics heapStatistics;
     isolate->GetHeapStatistics(&heapStatistics);
     return heapStatistics.used_heap_size();
@@ skipping 230 matching lines @@
             //
             /* && toExecutionContext(wrapper->creationContext()) == m_executionContext */
             )
             m_pendingActivityFound = true;
     }
 
     bool pendingActivityFound() const { return m_pendingActivityFound; }
 
 private:
     v8::Isolate* m_isolate;
-    RawPtrWillBePersistent<ExecutionContext> m_executionContext;
+    Persistent<ExecutionContext> m_executionContext;
     bool m_pendingActivityFound;
 };
 
 bool V8GCController::hasPendingActivity(v8::Isolate* isolate, ExecutionContext* executionContext)
 {
     // V8GCController::hasPendingActivity is used only when a worker checks if
     // the worker contains any wrapper that has pending activities.
     ASSERT(!isMainThread());
 
     DEFINE_THREAD_SAFE_STATIC_LOCAL(CustomCountHistogram, scanPendingActivityHistogram, new CustomCountHistogram("Blink.ScanPendingActivityDuration", 1, 1000, 50));
     double startTime = WTF::currentTimeMS();
     v8::HandleScope scope(isolate);
     PendingActivityVisitor visitor(isolate, executionContext);
     toIsolate(executionContext)->VisitHandlesWithClassIds(&visitor);
     scanPendingActivityHistogram.count(static_cast<int>(WTF::currentTimeMS() - startTime));
     return visitor.pendingActivityFound();
 }
 
 } // namespace blink