content: Change auto to not deduce raw pointers.

content/browser/frame_host/navigation_entry_impl.cc

 // Copyright 2013 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 "content/browser/frame_host/navigation_entry_impl.h"
 
 #include <stddef.h>
 
 #include <queue>
 #include <utility>
@@ skipping 113 matching lines @@
     return base::WrapUnique(
         new NavigationEntryImpl::TreeNode(frame_navigation_entry));
   }
 
   // Clone the tree using a copy of the FrameNavigationEntry, without sharing.
   // TODO(creis): Share FNEs unless it's for another tab.
   std::unique_ptr<NavigationEntryImpl::TreeNode> copy(
       new NavigationEntryImpl::TreeNode(frame_entry->Clone()));
 
   // Recursively clone the children.
-  for (auto& child : children) {
+  for (auto* child : children) {
     copy->children.push_back(
         child->CloneAndReplace(frame_tree_node, frame_navigation_entry, false));
   }
 
   return copy;
 }
 
 std::unique_ptr<NavigationEntry> NavigationEntry::Create() {
   return base::WrapUnique(new NavigationEntryImpl());
 }
@@ skipping 624 matching lines @@
   NavigationEntryImpl::TreeNode* node = nullptr;
   std::queue<NavigationEntryImpl::TreeNode*> work_queue;
   work_queue.push(root_node());
   while (!work_queue.empty()) {
     node = work_queue.front();
     work_queue.pop();
     if (node->MatchesFrame(frame_tree_node, node == root_node()))
       return node;
 
     // Enqueue any children and keep looking.
-    for (auto& child : node->children)
+    for (auto* child : node->children)
       work_queue.push(child);
   }
   return nullptr;
 }
 
 }  // namespace content