Refactor ActivityStatus to not store current activity

net/disk_cache/simple/simple_index.h

Index: net/disk_cache/simple/simple_index.h
diff --git a/net/disk_cache/simple/simple_index.h b/net/disk_cache/simple/simple_index.h
index 6c0d81c99a6e52f617bcb6816598ebb22e38bef0..6e0c39557108ea17570f3e0a0ef6f59851efd6b3 100644
--- a/net/disk_cache/simple/simple_index.h
+++ b/net/disk_cache/simple/simple_index.h
@@ -25,7 +25,7 @@
 #include "net/base/net_export.h"
 
 #if defined(OS_ANDROID)
-#include "base/android/activity_status.h"
+#include "base/android/application_status_listener.h"
 #endif
 
 class Pickle;
@@ -149,9 +149,9 @@ class NET_EXPORT_PRIVATE SimpleIndex
   void MergeInitializingSet(scoped_ptr<SimpleIndexLoadResult> load_result);
 
 #if defined(OS_ANDROID)
-  void OnActivityStateChange(base::android::ActivityState state);
+  void OnApplicationStateChange(base::android::ApplicationState state);
 
-  scoped_ptr<base::android::ActivityStatus::Listener> activity_status_listener_;
+  scoped_ptr<base::android::ApplicationStatusListener> app_status_listener_;
 #endif
 
   // The owner of |this| must ensure the |delegate_| outlives |this|.