Replaces gender specific terms from comments in ppapi/cpp/...

ppapi/cpp/private/var_private.h

 // Copyright (c) 2011 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.
 
 #ifndef PPAPI_CPP_PRIVATE_VAR_PRIVATE_H_
 #define PPAPI_CPP_PRIVATE_VAR_PRIVATE_H_
 
 #include <stdint.h>
 
 #include "ppapi/cpp/var.h"
@@ skipping 98 matching lines @@
     }
 
    private:
     Var* output_;
     bool originally_had_exception_;
     PP_Var temp_;
   };
 
  private:
   // Prevent an arbitrary pointer argument from being implicitly converted to
-  // a bool at Var construction. If somebody makes such a mistake, (s)he will
+  // a bool at Var construction. If somebody makes such a mistake, they will
   // get a compilation error.
   VarPrivate(void* non_scriptable_object_pointer);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_PRIVATE_VAR_PRIVATE_H_