Move CancelableTaskTracker to //base/task/CancelableTaskTracker.

chrome/browser/extensions/api/history/history_api.h

 // Copyright (c) 2012 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_API_HISTORY_HISTORY_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_HISTORY_HISTORY_API_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/history/history_notifications.h"
 #include "chrome/browser/history/history_service.h"
-#include "chrome/common/cancelable_task_tracker.h"
 #include "chrome/common/extensions/api/history.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/event_router.h"
 
 namespace base {
 class ListValue;
 }
 
 namespace extensions {
 
@@ skipping 84 matching lines @@
 
   // Return true if the async call was completed, false otherwise.
   virtual bool RunAsyncImpl() = 0;
 
   // Call this method to report the results of the async method to the caller.
   // This method calls Release().
   virtual void SendAsyncResponse();
 
   // The consumer for the HistoryService callbacks.
   CancelableRequestConsumer cancelable_consumer_;
-  CancelableTaskTracker task_tracker_;
+  base::CancelableTaskTracker task_tracker_;
 
  private:
   // The actual call to SendResponse.  This is required since the semantics for
   // CancelableRequestConsumerT require it to be accessed after the call.
   void SendResponseToCallback();
 };
 
 class HistoryGetVisitsFunction : public HistoryFunctionWithCallback {
  public:
   DECLARE_EXTENSION_FUNCTION("history.getVisits", HISTORY_GETVISITS)
@@ skipping 73 matching lines @@
   // HistoryFunctionWithCallback:
   virtual bool RunAsyncImpl() OVERRIDE;
 
   // Callback for the history service to acknowledge deletion.
   void DeleteComplete();
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_HISTORY_HISTORY_API_H_