Replace unique_ptr.reset/release with std::move under src/extensions

extensions/browser/api/networking_private/networking_private_delegate.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_DELEGATE_H_
 #define EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_DELEGATE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 86 matching lines @@
     DISALLOW_COPY_AND_ASSIGN(UIDelegate);
   };
 
   // If |verify_delegate| is not NULL, the Verify* methods will be forwarded
   // to the delegate. Otherwise they will fail with a NotSupported error.
   explicit NetworkingPrivateDelegate(
       std::unique_ptr<VerifyDelegate> verify_delegate);
   ~NetworkingPrivateDelegate() override;
 
   void set_ui_delegate(std::unique_ptr<UIDelegate> ui_delegate) {
-    ui_delegate_.reset(ui_delegate.release());
+    ui_delegate_ = std::move(ui_delegate);
   }
 
   const UIDelegate* ui_delegate() { return ui_delegate_.get(); }
 
   // Asynchronous methods
   virtual void GetProperties(const std::string& guid,
                              const DictionaryCallback& success_callback,
                              const FailureCallback& failure_callback) = 0;
   virtual void GetManagedProperties(
       const std::string& guid,
@@ skipping 98 matching lines @@
 
   // Interface for UI methods. May be null.
   std::unique_ptr<UIDelegate> ui_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateDelegate);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_NETWORKING_PRIVATE_NETWORKING_PRIVATE_DELEGATE_H_