[Extensions][TaskScheduler] Update ActivityLog for scheduling migration

chrome/browser/extensions/activity_log/activity_log_policy.h

 // Copyright 2013 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_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_POLICY_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_POLICY_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 #include "chrome/browser/extensions/activity_log/activity_database.h"
+#include "chrome/browser/extensions/activity_log/activity_log_task_runner.h"
 #include "chrome/common/extensions/api/activity_log_private.h"
 #include "content/public/browser/browser_thread.h"
 #include "url/gurl.h"
 
 class Profile;
 class GURL;
 
 namespace base {
 class Clock;
 class FilePath;
@@ skipping 152 matching lines @@
   virtual void RemoveExtensionData(const std::string& extension_id) = 0;
 
   // Deletes everything in the database.
   virtual void DeleteDatabase() = 0;
 
  protected:
   // The Schedule methods dispatch the calls to the database on a
   // separate thread.
   template<typename DatabaseType, typename DatabaseFunc>
   void ScheduleAndForget(DatabaseType db, DatabaseFunc func) {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::DB, FROM_HERE,
-        base::BindOnce(func, base::Unretained(db)));
+    GetActivityLogTaskRunner()->PostTask(
+        FROM_HERE, base::BindOnce(func, base::Unretained(db)));
   }
 
   template<typename DatabaseType, typename DatabaseFunc, typename ArgA>
   void ScheduleAndForget(DatabaseType db, DatabaseFunc func, ArgA a) {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::DB, FROM_HERE,
-        base::BindOnce(func, base::Unretained(db), a));
+    GetActivityLogTaskRunner()->PostTask(
+        FROM_HERE, base::BindOnce(func, base::Unretained(db), a));
   }
 
   template<typename DatabaseType, typename DatabaseFunc,
       typename ArgA, typename ArgB>
   void ScheduleAndForget(DatabaseType db, DatabaseFunc func, ArgA a, ArgB b) {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::DB, FROM_HERE,
-        base::BindOnce(func, base::Unretained(db), a, b));
+    GetActivityLogTaskRunner()->PostTask(
+        FROM_HERE, base::BindOnce(func, base::Unretained(db), a, b));
   }
 
   // Access to the underlying ActivityDatabase.
   ActivityDatabase* activity_database() const { return db_; }
 
   // Access to the SQL connection in the ActivityDatabase.  This should only be
   // called from the database thread.  May return NULL if the database is not
   // valid.
   sql::Connection* GetDatabaseConnection() const;
 
  private:
   // See the comments for the ActivityDatabase class for a discussion of how
   // database cleanup runs.
   ActivityDatabase* db_;
   base::FilePath database_path_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_POLICY_H_