Replace unique_ptr.reset(other_unique_ptr.release()) with std::move() in chrome/browser

chrome/browser/predictors/resource_prefetch_predictor.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/predictors/resource_prefetch_predictor.h"
 
 #include <map>
 #include <set>
 #include <utility>
 
@@ skipping 702 matching lines @@
 void ResourcePrefetchPredictor::OnMainFrameRedirect(
     const URLRequestSummary& response) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_EQ(INITIALIZED, initialization_state_);
 
   const GURL& main_frame_url = response.navigation_id.main_frame_url;
   std::unique_ptr<PageRequestSummary> summary;
   NavigationMap::iterator nav_it =
       inflight_navigations_.find(response.navigation_id);
   if (nav_it != inflight_navigations_.end()) {
-    summary.reset(nav_it->second.release());
+    summary = std::move(nav_it->second);
     inflight_navigations_.erase(nav_it);
   }
 
   // The redirect url may be empty if the URL was invalid.
   if (response.redirect_url.is_empty())
     return;
 
   // If we lost the information about the first hop for some reason.
   if (!summary) {
     summary = base::MakeUnique<PageRequestSummary>(main_frame_url);
@@ skipping 759 matching lines @@
 TestObserver::~TestObserver() {
   predictor_->SetObserverForTesting(nullptr);
 }
 
 TestObserver::TestObserver(ResourcePrefetchPredictor* predictor)
     : predictor_(predictor) {
   predictor_->SetObserverForTesting(this);
 }
 
 }  // namespace predictors