Remove use of <iostream> where unnecessary.

breakpad/pending/src/common/module.cc

 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 
 // module.cc: Implement google_breakpad::Module.  See module.h.
 
 #include "common/module.h"
 
 #include <assert.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
-#include <iostream>
+#include <ostream>
 
 namespace google_breakpad {
 
 using std::dec;
 using std::endl;
 using std::hex;
 
 
 Module::Module(const string &name, const string &os,
                const string &architecture, const string &id) :
@@ skipping 230 matching lines @@
 
       stream << endl;
     }
   }
 #endif
 
   return true;
 }
 
 } // namespace google_breakpad