components: Change auto to not deduce raw pointers.

components/guest_view/browser/guest_view.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_H_
 #define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_H_
 
 #include "base/macros.h"
 #include "components/guest_view/browser/guest_view_base.h"
 #include "components/guest_view/browser/guest_view_manager.h"
 #include "content/public/browser/render_frame_host.h"
 
 namespace guest_view {
 
 // A GuestView is the templated base class for out-of-process frames in the
 // chrome layer. GuestView is templated on its derived type to allow for type-
 // safe access. See GuestViewBase for more information.
 template <typename T>
 class GuestView : public GuestViewBase {
  public:
   static T* From(int embedder_process_id, int guest_instance_id) {
-    auto guest = GuestViewBase::From(embedder_process_id, guest_instance_id);
+    auto* guest = GuestViewBase::From(embedder_process_id, guest_instance_id);
     if (!guest)
       return nullptr;
     return guest->As<T>();
   }
 
   static T* FromWebContents(const content::WebContents* contents) {
-    auto guest = GuestViewBase::FromWebContents(contents);
+    auto* guest = GuestViewBase::FromWebContents(contents);
     return guest ? guest->As<T>() : nullptr;
   }
 
   static T* FromFrameID(int render_process_id, int render_frame_id) {
-    auto render_frame_host =
+    auto* render_frame_host =
         content::RenderFrameHost::FromID(render_process_id, render_frame_id);
     if (!render_frame_host)
       return nullptr;
 
-    auto web_contents =
+    auto* web_contents =
         content::WebContents::FromRenderFrameHost(render_frame_host);
     return FromWebContents(web_contents);
   }
 
   T* GetOpener() const {
     GuestViewBase* guest = GuestViewBase::GetOpener();
     if (!guest)
       return nullptr;
     return guest->As<T>();
   }
@@ skipping 12 matching lines @@
       : GuestViewBase(owner_web_contents) {}
   ~GuestView() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GuestView);
 };
 
 }  // namespace guest_view
 
 #endif  // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_H_