Fix auto raw pointer deduction on linux

content/renderer/image_downloader/image_downloader_base.cc

 // Copyright 2016 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/renderer/image_downloader/image_downloader_base.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 105 matching lines @@
   if (iter != image_fetchers_.end()) {
     image_fetchers_.weak_erase(iter);
     base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, fetcher);
   }
 
   // |this| may be destructed after callback is run.
   callback.Run(http_status_code, images);
 }
 
 void ImageDownloaderBase::OnDestruct() {
-  for (auto fetchers : image_fetchers_) {
+  for (auto* fetchers : image_fetchers_) {
     // Will run callbacks with an empty image vector.
     fetchers->OnRenderFrameDestruct();
   }
 }
 
 }  // namespace content