Getting rid of duplicate includes from media/

media/cdm/ppapi/cdm_logging.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.
 
 // Only compile this file in debug build. This gives us one more level of
 // protection that if the linker tries to link in strings/symbols appended to
 // "DLOG() <<" in release build (which it shouldn't), we'll get "undefined
 // reference" errors.
 
 #include "media/cdm/ppapi/cdm_logging.h"
@@ skipping 16 matching lines @@
 #include <errno.h>
 #include <pthread.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #endif
 
 #include <iomanip>
 #include <iostream>
-#include <string>
 
 namespace media {
 
 #if !defined(NDEBUG)
 
 namespace {
 
 // Helper functions to wrap platform differences.
 
 int32 CurrentProcessId() {
@@ skipping 86 matching lines @@
   std::cout << std::endl;
 }
 
 #endif  // !defined(NDEBUG)
 
 std::ostream& CdmLogStream::stream() {
   return std::cout;
 }
 
 }  // namespace media