Remove call to GetBlockingPool in RLZ

components/rlz/rlz_tracker_delegate.h

 // Copyright 2015 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 COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_
 #define COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
-#include "base/threading/sequenced_worker_pool.h"
-
-namespace base {
-class SequencedWorkerPool;
-}
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace rlz {
 
 // RLZTrackerDelegate is an abstract interface that provides access to embedder
 // specific singletons or gives information about the embedder environment.
 class RLZTrackerDelegate {
  public:
   RLZTrackerDelegate() {}
   virtual ~RLZTrackerDelegate() {}
 
   // Invoked during RLZTracker cleanup, to request the cleanup of the delegate.
   virtual void Cleanup() = 0;
 
   // Returns whether the current thread is the UI thread.
   virtual bool IsOnUIThread() = 0;
 
-  // Returns the SequencedWorkerPool where the RLZTracker will post its tasks
-  // that should be executed in the background.
-  virtual base::SequencedWorkerPool* GetBlockingPool() = 0;
-
   // Returns the URLRequestContextGetter to use for network connections.
   virtual net::URLRequestContextGetter* GetRequestContext() = 0;
 
   // Returns the brand code for the installation of Chrome in |brand| and a
   // boolean indicating whether the operation was a success or not.
   virtual bool GetBrand(std::string* brand) = 0;
 
   // Returns whether |brand| is an organic brand.
   virtual bool IsBrandOrganic(const std::string& brand) = 0;
 
@@ skipping 25 matching lines @@
   // once.
   virtual void SetHomepageSearchCallback(const base::Closure& callback) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RLZTrackerDelegate);
 };
 
 }  // namespace rlz
 
 #endif  // COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_