Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/system_storage/system_storage_api.h

Index: chrome/browser/extensions/api/system_storage/system_storage_api.h
diff --git a/chrome/browser/extensions/api/system_storage/system_storage_api.h b/chrome/browser/extensions/api/system_storage/system_storage_api.h
index b619809d0fa59b3b9f4d027cb756d3a1b5b53e17..e8118af0e2182e86d7dd8ccbdce6e4b8cf04d244 100644
--- a/chrome/browser/extensions/api/system_storage/system_storage_api.h
+++ b/chrome/browser/extensions/api/system_storage/system_storage_api.h
@@ -20,7 +20,7 @@ class SystemStorageGetInfoFunction : public AsyncExtensionFunction {
 
  private:
   virtual ~SystemStorageGetInfoFunction();
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 
   void OnGetStorageInfoCompleted(bool success);
 };
@@ -35,7 +35,7 @@ class SystemStorageEjectDeviceFunction
   virtual ~SystemStorageEjectDeviceFunction();
 
   // AsyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 
  private:
   void OnStorageMonitorInit(const std::string& transient_device_id);
@@ -56,7 +56,7 @@ class SystemStorageGetAvailableCapacityFunction
   void OnQueryCompleted(const std::string& transient_id,
                         double available_capacity);
   virtual ~SystemStorageGetAvailableCapacityFunction();
-  virtual bool RunImpl() OVERRIDE;
+  virtual bool RunAsync() OVERRIDE;
 };
 
 }  // namespace extensions