Convert //ios from scoped_ptr to std::unique_ptr.

ios/web/webui/url_data_manager_ios_backend.mm

 // 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 "ios/web/webui/url_data_manager_ios_backend.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "ios/web/public/browser_state.h"
 #include "ios/web/public/web_client.h"
 #include "ios/web/public/web_thread.h"
@@ skipping 365 matching lines @@
 
 URLDataManagerIOSBackend::~URLDataManagerIOSBackend() {
   for (DataSourceMap::iterator i = data_sources_.begin();
        i != data_sources_.end(); ++i) {
     i->second->backend_ = NULL;
   }
   data_sources_.clear();
 }
 
 // static
-scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+std::unique_ptr<net::URLRequestJobFactory::ProtocolHandler>
 URLDataManagerIOSBackend::CreateProtocolHandler(BrowserState* browser_state) {
   DCHECK(browser_state);
-  return make_scoped_ptr(new ChromeProtocolHandler(
+  return base::WrapUnique(new ChromeProtocolHandler(
       browser_state, browser_state->IsOffTheRecord()));
 }
 
 void URLDataManagerIOSBackend::AddDataSource(URLDataSourceIOSImpl* source) {
   DCHECK_CURRENTLY_ON(WebThread::IO);
   DataSourceMap::iterator i = data_sources_.find(source->source_name());
   if (i != data_sources_.end()) {
     if (!source->source()->ShouldReplaceExistingSource())
       return;
     i->second->backend_ = NULL;
@@ skipping 101 matching lines @@
   // Forward this data on to the pending net::URLRequest, if it exists.
   PendingRequestMap::iterator i = pending_requests_.find(request_id);
   if (i != pending_requests_.end()) {
     URLRequestChromeJob* job(i->second);
     pending_requests_.erase(i);
     job->DataAvailable(bytes);
   }
 }
 
 }  // namespace web