Make comments in byte_stream.cc gender neutral.

content/browser/byte_stream.cc

Index: content/browser/byte_stream.cc
diff --git a/content/browser/byte_stream.cc b/content/browser/byte_stream.cc
index 1c70739a9f4171f248d87f1b4d0c322f7ad0fd39..0bb824a00524fb50dec935b7eaa17b453737daae 100644
--- a/content/browser/byte_stream.cc
+++ b/content/browser/byte_stream.cc
@@ -22,10 +22,10 @@ ContentVector;
 
 class ByteStreamReaderImpl;
 
-// A poor man's weak pointer; a RefCountedThreadSafe boolean that can be
-// cleared in an object destructor and accessed to check for object
-// existence.  We can't use weak pointers because they're tightly tied to
-// threads rather than task runners.
+// A makeshift weak pointer; a RefCountedThreadSafe boolean that can be cleared
+// in an object destructor and accessed to check for object existence. We can't
+// use weak pointers because they're tightly tied to threads rather than task
+// runners.
 // TODO(rdsmith): A better solution would be extending weak pointers
 // to support SequencedTaskRunners.
 struct LifetimeFlag : public base::RefCountedThreadSafe<LifetimeFlag> {