Convert Pass()→std::move() in //chrome

chrome/browser/local_discovery/service_discovery_client_mdns.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/local_discovery/service_discovery_client_mdns.h"
 
 #include <stddef.h>
-
+#include <utility>
 #include <vector>
 
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/common/local_discovery/service_discovery_client_impl.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 141 matching lines @@
   bool IsValid() override {
     return !!implementation();
   }
 
   void OnMdnsDestroy() override {
     DeleteOnMdnsThread(implementation_.release());
   };
 
  protected:
   void set_implementation(scoped_ptr<T> implementation) {
-    implementation_ = implementation.Pass();
+    implementation_ = std::move(implementation);
   }
 
   T* implementation()  const {
     return implementation_.get();
   }
 
  private:
   scoped_ptr<T> implementation_;
   DISALLOW_COPY_AND_ASSIGN(ProxyBase);
 };
@@ skipping 258 matching lines @@
   OnBeforeMdnsDestroy();
   // After calling |Proxy::OnMdnsDestroy| all references to client_ and mdns_
   // should be destroyed.
   if (client_)
     mdns_runner_->DeleteSoon(FROM_HERE, client_.release());
   if (mdns_)
     mdns_runner_->DeleteSoon(FROM_HERE, mdns_.release());
 }
 
 }  // namespace local_discovery