Reduce usage of MessageLoopProxy in base/

components/webdata/common/web_data_service_base.h

Index: components/webdata/common/web_data_service_base.h
diff --git a/components/webdata/common/web_data_service_base.h b/components/webdata/common/web_data_service_base.h
index b80f4bcb491d4de1cbb5d0204ce442ac243f7466..7dcbcd55b97c63f9afb9169e28cdd15f877df3c4 100644
--- a/components/webdata/common/web_data_service_base.h
+++ b/components/webdata/common/web_data_service_base.h
@@ -8,7 +8,7 @@
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/ref_counted_delete_on_message_loop.h"
+#include "base/memory/ref_counted_delete_on_task_runner.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/webdata/common/webdata_export.h"
 #include "sql/init_status.h"
@@ -19,12 +19,13 @@ class WebDatabaseTable;
 
 namespace base {
 class Thread;
+class MessageLoopProxy;
 }
 
 // Base for WebDataService class hierarchy.
 // WebDataServiceBase is destroyed on the UI thread.
 class WEBDATA_EXPORT WebDataServiceBase
-    : public base::RefCountedDeleteOnMessageLoop<WebDataServiceBase> {
+    : public base::RefCountedDeleteOnTaskRunner<WebDataServiceBase> {
  public:
   // All requests return an opaque handle of the following type.
   typedef int Handle;
@@ -82,7 +83,7 @@ class WEBDATA_EXPORT WebDataServiceBase
   virtual WebDatabase* GetDatabase();
 
  protected:
-  friend class base::RefCountedDeleteOnMessageLoop<WebDataServiceBase>;
+  friend class base::RefCountedDeleteOnTaskRunner<WebDataServiceBase>;
   friend class base::DeleteHelper<WebDataServiceBase>;
 
   virtual ~WebDataServiceBase();