base::Bind() conversion for MetricsService.

chrome/browser/metrics/metrics_service.h

Index: chrome/browser/metrics/metrics_service.h
diff --git a/chrome/browser/metrics/metrics_service.h b/chrome/browser/metrics/metrics_service.h
index 359b09f6b4d2a2205f53b19b10d479b1d51a6edc..96a77edc272504129346d0fa1f9037e8f86c3aa3 100644
--- a/chrome/browser/metrics/metrics_service.h
+++ b/chrome/browser/metrics/metrics_service.h
@@ -16,6 +16,7 @@
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/process_util.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/common/metrics_helpers.h"
@@ -368,8 +369,8 @@ class MetricsService : public content::NotificationObserver,
   struct ChildProcessStats;
   std::map<string16, ChildProcessStats> child_process_stats_buffer_;
 
-  ScopedRunnableMethodFactory<MetricsService> log_sender_factory_;
-  ScopedRunnableMethodFactory<MetricsService> state_saver_factory_;
+  base::WeakPtrFactory<MetricsService> log_sender_weak_factory_;
+  base::WeakPtrFactory<MetricsService> state_saver_weak_factory_;
 
   // Dictionary containing all the profile specific metrics. This is set
   // at creation time from the prefs.