Remove calls to MessageLoop::current() in components.

components/webdata/common/web_data_request_manager.h

Index: components/webdata/common/web_data_request_manager.h
diff --git a/components/webdata/common/web_data_request_manager.h b/components/webdata/common/web_data_request_manager.h
index 97ac227328f88094ce5e94357756669fdd0c043d..a61cea445b1caf1a24b5b342068f56b7593520ae 100644
--- a/components/webdata/common/web_data_request_manager.h
+++ b/components/webdata/common/web_data_request_manager.h
@@ -14,6 +14,7 @@
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "components/webdata/common/web_data_results.h"
 #include "components/webdata/common/web_data_service_base.h"
@@ -23,10 +24,6 @@
 class WebDataServiceConsumer;
 class WebDataRequestManager;
 
-namespace base {
-class MessageLoop;
-}
-
 //////////////////////////////////////////////////////////////////////////////
 //
 // Webdata requests
@@ -46,8 +43,8 @@ class WebDataRequest {
   // Retrieves the |consumer_| set in the constructor.
   WebDataServiceConsumer* GetConsumer() const;
 
-  // Retrieves the original message loop the of the request.
-  base::MessageLoop* GetMessageLoop() const;
+  // Retrieves the original task runner of the request.
+  scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() const;
 
   // Returns |true| if the request was cancelled via the |Cancel()| method.
   bool IsCancelled() const;
@@ -71,8 +68,8 @@ class WebDataRequest {
   // a ref_ptr so that it can be set to NULL when a request is cancelled.
   WebDataRequestManager* manager_;
 
-  // Tracks loop that the request originated on.
-  base::MessageLoop* message_loop_;
+  // Tracks task runner that the request originated on.
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   // Identifier for this request.
   WebDataServiceBase::Handle handle_;