Wrap non-GCed raw pointer parameters of WTF::bind with WTF::unretained

third_party/WebKit/Source/platform/heap/ThreadState.cpp

 /*
  * Copyright (C) 2013 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 771 matching lines @@
 
     if (isSweepingInProgress()) {
         setGCState(SweepingAndIdleGCScheduled);
         return;
     }
 
     // Some threads (e.g. PPAPI thread) don't have a scheduler.
     if (!Platform::current()->currentThread()->scheduler())
         return;
 
-    Platform::current()->currentThread()->scheduler()->postNonNestableIdleTask(BLINK_FROM_HERE, WTF::bind(&ThreadState::performIdleGC, this));
+    Platform::current()->currentThread()->scheduler()->postNonNestableIdleTask(BLINK_FROM_HERE, WTF::bind(&ThreadState::performIdleGC, WTF::unretained(this)));
     setGCState(IdleGCScheduled);
 }
 
 void ThreadState::scheduleIdleLazySweep()
 {
     // TODO(haraken): Idle complete sweep should be supported in worker threads.
     if (!isMainThread())
         return;
 
     // Some threads (e.g. PPAPI thread) don't have a scheduler.
     if (!Platform::current()->currentThread()->scheduler())
         return;
 
-    Platform::current()->currentThread()->scheduler()->postIdleTask(BLINK_FROM_HERE, WTF::bind(&ThreadState::performIdleLazySweep, this));
+    Platform::current()->currentThread()->scheduler()->postIdleTask(BLINK_FROM_HERE, WTF::bind(&ThreadState::performIdleLazySweep, WTF::unretained(this)));
 }
 
 void ThreadState::schedulePreciseGC()
 {
     ASSERT(checkThread());
     if (isSweepingInProgress()) {
         setGCState(SweepingAndPreciseGCScheduled);
         return;
     }
 
@@ skipping 716 matching lines @@
     threadDump->AddScalar("dead_count", "objects", totalDeadCount);
     threadDump->AddScalar("live_size", "bytes", totalLiveSize);
     threadDump->AddScalar("dead_size", "bytes", totalDeadSize);
 
     base::trace_event::MemoryAllocatorDump* heapsDump = BlinkGCMemoryDumpProvider::instance()->createMemoryAllocatorDumpForCurrentGC(heapsDumpName);
     base::trace_event::MemoryAllocatorDump* classesDump = BlinkGCMemoryDumpProvider::instance()->createMemoryAllocatorDumpForCurrentGC(classesDumpName);
     BlinkGCMemoryDumpProvider::instance()->currentProcessMemoryDump()->AddOwnershipEdge(classesDump->guid(), heapsDump->guid());
 }
 
 } // namespace blink