base::Bind: Convert BrowsingDatabaseHelper::StartFetching.

chrome/browser/mock_browsing_data_database_helper.h

Index: chrome/browser/mock_browsing_data_database_helper.h
diff --git a/chrome/browser/mock_browsing_data_database_helper.h b/chrome/browser/mock_browsing_data_database_helper.h
index cd3a784b04f8a85876e458339a77f206412a7d68..4d19090f4e6ddd95fd7e19c72956a864b37cb92f 100644
--- a/chrome/browser/mock_browsing_data_database_helper.h
+++ b/chrome/browser/mock_browsing_data_database_helper.h
@@ -10,7 +10,6 @@
 #include <map>
 
 #include "base/callback.h"
-
 #include "chrome/browser/browsing_data_database_helper.h"
 
 // Mock for BrowsingDataDatabaseHelper.
@@ -21,7 +20,8 @@ class MockBrowsingDataDatabaseHelper : public BrowsingDataDatabaseHelper {
   explicit MockBrowsingDataDatabaseHelper(Profile* profile);
 
   virtual void StartFetching(
-      Callback1<const std::list<DatabaseInfo>& >::Type* callback);
+      const base::Callback<void(const std::list<DatabaseInfo>&)>& callback)
+          OVERRIDE;
 
   virtual void CancelNotification();
 
@@ -50,8 +50,7 @@ class MockBrowsingDataDatabaseHelper : public BrowsingDataDatabaseHelper {
 
   Profile* profile_;
 
-  scoped_ptr<Callback1<const std::list<DatabaseInfo>& >::Type >
-      callback_;
+  base::Callback<void(const std::list<DatabaseInfo>&)> callback_;
 
   // Stores which databases exist.
   std::map<const std::string, bool> databases_;