Disambiguate origins of tasks posted by the WebDataService.

chrome/browser/webdata/web_data_service.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 #define CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 #pragma once
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/file_path.h"
+#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/search_engines/template_url_id.h"
 #include "content/public/browser/browser_thread.h"
 #include "sql/init_status.h"
 
 class AutocompleteSyncableService;
 class AutofillChange;
 class AutofillProfile;
 class AutofillProfileSyncableService;
@@ skipping 560 matching lines @@
   // Commit any pending transaction and deletes the database.
   void ShutdownDatabase();
 
   // Deletes the syncable services.
   void ShutdownSyncableServices();
 
   // Commit the current transaction and creates a new one.
   void Commit();
 
   // Schedule a task on our worker thread.
-  void ScheduleTask(const base::Closure& task);
+  void ScheduleTask(const tracked_objects::Location& from_here,
+                    const base::Closure& task);
 
   // Schedule a commit if one is not already pending.
   void ScheduleCommit();
 
   // Return the next request handle.
   int GetNextRequestHandle();
 
   //////////////////////////////////////////////////////////////////////////////
   //
   // Keywords.
@@ skipping 140 matching lines @@
   // result can be NULL, if no result is expected or if the database could
   // not be opened. The result object is destroyed after this call.
   virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
                                            const WDTypedResult* result) = 0;
 
  protected:
   virtual ~WebDataServiceConsumer() {}
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__