Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/dns/dns_api.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 "extensions/browser/api/dns/dns_api.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 13 matching lines @@
 
 DnsResolveFunction::DnsResolveFunction()
     : resource_context_(NULL),
       response_(false),
       request_handle_(new net::HostResolver::RequestHandle()),
       addresses_(new net::AddressList) {}
 
 DnsResolveFunction::~DnsResolveFunction() {}
 
 bool DnsResolveFunction::RunAsync() {
-  scoped_ptr<Resolve::Params> params(Resolve::Params::Create(*args_));
+  std::unique_ptr<Resolve::Params> params(Resolve::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   hostname_ = params->hostname;
   resource_context_ = browser_context()->GetResourceContext();
 
   bool result = BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&DnsResolveFunction::WorkOnIOThread, this));
   DCHECK(result);
@@ skipping 28 matching lines @@
   if (resolve_result != net::ERR_IO_PENDING)
     OnLookupFinished(resolve_result);
 }
 
 void DnsResolveFunction::RespondOnUIThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   SendResponse(response_);
 }
 
 void DnsResolveFunction::OnLookupFinished(int resolve_result) {
-  scoped_ptr<ResolveCallbackResolveInfo> resolve_info(
+  std::unique_ptr<ResolveCallbackResolveInfo> resolve_info(
       new ResolveCallbackResolveInfo());
   resolve_info->result_code = resolve_result;
   if (resolve_result == net::OK) {
     DCHECK(!addresses_->empty());
     resolve_info->address.reset(
         new std::string(addresses_->front().ToStringWithoutPort()));
   }
   results_ = Resolve::Results::Create(*resolve_info);
   response_ = true;
 
   bool post_task_result = BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(&DnsResolveFunction::RespondOnUIThread, this));
   DCHECK(post_task_result);
 
   Release();  // Added in WorkOnIOThread().
 }
 
 }  // namespace extensions