chrome/browser/android: Change auto to not deduce raw pointers.

chrome/browser/android/data_usage/data_use_tab_helper.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 "chrome/browser/android/data_usage/data_use_tab_helper.h"
 
 #include "base/logging.h"
 #include "chrome/browser/android/data_usage/data_use_ui_tab_model.h"
 #include "chrome/browser/android/data_usage/data_use_ui_tab_model_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 33 matching lines @@
   chrome::android::DataUseUITabModel* data_use_ui_tab_model =
       chrome::android::DataUseUITabModelFactory::GetForBrowserContext(
           Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
   SessionID::id_type tab_id = SessionTabHelper::IdForTab(web_contents());
   if (!data_use_ui_tab_model || tab_id < 0)
     return;
 
   // The last committed navigation entry should correspond to the current
   // navigation. This should not be null since the DidFinishNavigation
   // callback is received for a committed navigation.
-  auto navigation_entry = navigation_handle->GetWebContents()
-                              ->GetController()
-                              .GetLastCommittedEntry();
+  auto* navigation_entry = navigation_handle->GetWebContents()
+                               ->GetController()
+                               .GetLastCommittedEntry();
   DCHECK(navigation_entry);
   DCHECK_EQ(navigation_handle->GetURL(), navigation_entry->GetURL());
   data_use_ui_tab_model->ReportBrowserNavigation(
       navigation_handle->GetURL(),
       ui::PageTransitionFromInt(navigation_handle->GetPageTransition()), tab_id,
       navigation_entry);
 }
 
 void DataUseTabHelper::FrameDeleted(
     content::RenderFrameHost* render_frame_host) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   // Check if it is a main frame.
   if (render_frame_host->GetParent())
     return;
 
   // Notify the DataUseUITabModel.
   chrome::android::DataUseUITabModel* data_use_ui_tab_model =
       chrome::android::DataUseUITabModelFactory::GetForBrowserContext(
           Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
   SessionID::id_type tab_id = SessionTabHelper::IdForTab(web_contents());
   if (data_use_ui_tab_model && tab_id >= 0)
     data_use_ui_tab_model->ReportTabClosure(tab_id);
 }