Fix auto raw pointer deduction on linux

headless/lib/browser/headless_content_browser_client.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 "headless/lib/browser/headless_content_browser_client.h"
 
 #include <memory>
 #include <unordered_set>
 
 #include "base/callback.h"
@@ skipping 30 matching lines @@
     const content::MainFunctionParams&) {
   std::unique_ptr<HeadlessBrowserMainParts> browser_main_parts =
       base::MakeUnique<HeadlessBrowserMainParts>(browser_);
   browser_->set_browser_main_parts(browser_main_parts.get());
   return browser_main_parts.release();
 }
 
 void HeadlessContentBrowserClient::OverrideWebkitPrefs(
     content::RenderViewHost* render_view_host,
     content::WebPreferences* prefs) {
-  auto browser_context = HeadlessBrowserContextImpl::From(
+  auto* browser_context = HeadlessBrowserContextImpl::From(
       render_view_host->GetProcess()->GetBrowserContext());
   const base::Callback<void(headless::WebPreferences*)>& callback =
       browser_context->options()->override_web_preferences_callback();
   if (callback)
     callback.Run(prefs);
 }
 
 content::DevToolsManagerDelegate*
 HeadlessContentBrowserClient::GetDevToolsManagerDelegate() {
   return new HeadlessDevToolsManagerDelegate(browser_->GetWeakPtr());
@@ skipping 31 matching lines @@
     content::StoragePartition* partition,
     const storage::OptionalQuotaSettingsCallback& callback) {
   content::BrowserThread::PostTaskAndReplyWithResult(
       content::BrowserThread::FILE, FROM_HERE,
       base::Bind(&storage::CalculateNominalDynamicSettings,
                  partition->GetPath(), context->IsOffTheRecord()),
       callback);
 }
 
 }  // namespace headless