Reduce usage of MessageLoopProxy in base/

components/webdata/common/web_database_service.h

Index: components/webdata/common/web_database_service.h
diff --git a/components/webdata/common/web_database_service.h b/components/webdata/common/web_database_service.h
index 3c766573d061b127351065c18b14a1461a304c8e..994a3ab721859a36f89f49209cf223bf5eca2d2c 100644
--- a/components/webdata/common/web_database_service.h
+++ b/components/webdata/common/web_database_service.h
@@ -14,7 +14,7 @@
 #include "base/compiler_specific.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 "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ -47,7 +47,7 @@ class WebDataServiceConsumer;
 ////////////////////////////////////////////////////////////////////////////////
 
 class WEBDATA_EXPORT WebDatabaseService
-    : public base::RefCountedDeleteOnMessageLoop<WebDatabaseService> {
+    : public base::RefCountedDeleteOnTaskRunner<WebDatabaseService> {
  public:
   typedef base::Callback<scoped_ptr<WDTypedResult>(WebDatabase*)> ReadTask;
   typedef base::Callback<WebDatabase::State(WebDatabase*)> WriteTask;
@@ -115,7 +115,7 @@ class WEBDATA_EXPORT WebDatabaseService
  private:
   class BackendDelegate;
   friend class BackendDelegate;
-  friend class base::RefCountedDeleteOnMessageLoop<WebDatabaseService>;
+  friend class base::RefCountedDeleteOnTaskRunner<WebDatabaseService>;
   friend class base::DeleteHelper<WebDatabaseService>;
 
   typedef std::vector<DBLoadedCallback> LoadedCallbacks;