components: Change auto to not deduce raw pointers.

components/zoom/zoom_controller.cc

 // Copyright (c) 2012 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/zoom/zoom_controller.h"
 
 #include "components/zoom/zoom_event_manager.h"
 #include "components/zoom/zoom_observer.h"
 #include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_type.h"
 #include "content/public/common/page_zoom.h"
 #include "net/base/url_util.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(zoom::ZoomController);
 
 namespace zoom {
 
 double ZoomController::GetZoomLevelForWebContents(
     const content::WebContents* web_contents) {
   if (!web_contents)
     return 0.0;
 
-  auto zoom_controller = FromWebContents(web_contents);
+  auto* zoom_controller = FromWebContents(web_contents);
   if (zoom_controller)
     return zoom_controller->GetZoomLevel();
 
   return content::HostZoomMap::GetZoomLevel(web_contents);
 }
 
 ZoomController::ZoomController(content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       can_show_bubble_(true),
       zoom_mode_(ZOOM_MODE_DEFAULT),
@@ skipping 327 matching lines @@
   int render_view_id = web_contents()->GetRenderViewHost()->GetRoutingID();
   host_zoom_map_->SetPageScaleFactorIsOneForView(render_process_id,
                                                  render_view_id, is_one);
 }
 
 bool ZoomController::PageScaleFactorIsOne() const {
   return content::HostZoomMap::PageScaleFactorIsOne(web_contents());
 }
 
 }  // namespace zoom