components: Change auto to not deduce raw pointers.

components/update_client/update_engine.cc

 // Copyright 2015 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 "components/update_client/update_engine.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/stl_util.h"
@@ skipping 48 matching lines @@
       metadata_(new PersistedData(config->GetPrefService())),
       notify_observers_callback_(notify_observers_callback) {}
 
 UpdateEngine::~UpdateEngine() {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
 
 bool UpdateEngine::GetUpdateState(const std::string& id,
                                   CrxUpdateItem* update_item) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  for (const auto& context : update_contexts_) {
+  for (const auto* context : update_contexts_) {
     const auto& update_items = context->update_items;
     const auto it = std::find_if(update_items.begin(), update_items.end(),
                                  [id](const CrxUpdateItem* update_item) {
                                    return id == update_item->id;
                                  });
     if (it != update_items.end()) {
       *update_item = **it;
       return true;
     }
   }
@@ skipping 64 matching lines @@
 
   const auto now(base::Time::Now());
 
   // Throttle the calls in the interval (t - 1 day, t) to limit the effect of
   // unset clocks or clock drift.
   return throttle_updates_until_ - base::TimeDelta::FromDays(1) < now &&
          now < throttle_updates_until_;
 }
 
 }  // namespace update_client