Remove implicit conversions from scoped_refptr to T* in chrome/browser/extensions/activity_log/

chrome/browser/extensions/activity_log/counting_policy.cc

 // Copyright 2013 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.
 
 // A policy for storing activity log data to a database that performs
 // aggregation to reduce the size of the database.  The database layout is
 // nearly the same as FullStreamUIPolicy, which stores a complete log, with a
 // few changes:
 //   - a "count" column is added to track how many log records were merged
 //     together into this row
@@ skipping 265 matching lines @@
         base::StringPrintf("%s, %s", insert_str.c_str(), matched_columns[i]);
   }
   insert_str += ") VALUES (?, ?";
   for (size_t i = 0; i < arraysize(matched_columns); i++) {
     insert_str += ", ?";
   }
   locate_str += " ORDER BY time DESC LIMIT 1";
   insert_str += ")";
 
   for (ActionQueue::iterator i = queue.begin(); i != queue.end(); ++i) {
-    const Action& action = *i->first;
+    const Action& action = *i->first.get();
     int count = i->second;
 
     base::Time day_start = action.time().LocalMidnight();
     base::Time next_day = Util::AddDays(day_start, 1);
 
     // The contents in values must match up with fields in matched_columns.  A
     // value of -1 is used to encode a null database value.
     int64 id;
     std::vector<int64> matched_values;
 
@@ skipping 495 matching lines @@
   return true;
 }
 
 void CountingPolicy::Close() {
   // The policy object should have never been created if there's no DB thread.
   DCHECK(BrowserThread::IsMessageLoopValid(BrowserThread::DB));
   ScheduleAndForget(activity_database(), &ActivityDatabase::Close);
 }
 
 }  // namespace extensions