Remove stl_util's deletion function use from tools/.

tools/cygprofile/cygprofile.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.
 //
 // Tool to log the execution of the process (Chrome). Writes logs containing
 // time and address of the callback being called for the first time.
 //
 // For performance reasons logs are buffered. Every thread has its own buffer
 // and log file so the contention between threads is minimal. As a side-effect,
 // functions called might be mentioned in many thread logs.
@@ skipping 138 matching lines @@
 
   // Used to make the internal thread sleep before each flush iteration.
   const base::Closure wait_callback_;
   // Used to trigger a notification when a flush happened on the internal
   // thread.
   const base::Closure notify_callback_;
 
   // Protects the state below.
   base::Lock lock_;
   std::unique_ptr<Thread> flush_thread_;
-  std::vector<ThreadLog*> logs_;
+  std::vector<std::unique_ptr<ThreadLog>> logs_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadLogsManager);
 };
 
 }  // namespace cygprofile
 
 #endif  // TOOLS_CYGPROFILE_CYGPROFILE_H_