base::Bind() conversion for content/common/gpu and content/gpu

content/gpu/gpu_watchdog_thread.h

Index: content/gpu/gpu_watchdog_thread.h
diff --git a/content/gpu/gpu_watchdog_thread.h b/content/gpu/gpu_watchdog_thread.h
index e3054c38b847d356623a92a3491abc71cba58ef8..702f83a6ef3bc88a3bb7133065bd0bbdc615e975 100644
--- a/content/gpu/gpu_watchdog_thread.h
+++ b/content/gpu/gpu_watchdog_thread.h
@@ -7,8 +7,8 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
-#include "base/task.h"
 #include "base/threading/thread.h"
 #include "base/time.h"
 #include "content/common/gpu/gpu_watchdog.h"
@@ -69,8 +69,7 @@ class GpuWatchdogThread : public base::Thread,
 
   base::Time arm_absolute_time_;
 
-  typedef ScopedRunnableMethodFactory<GpuWatchdogThread> MethodFactory;
-  scoped_ptr<MethodFactory> method_factory_;
+  base::WeakPtrFactory<GpuWatchdogThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuWatchdogThread);
 };