Make DidProcessCrash a bit more solid and accurate on Windows

base/process_util.h

Index: base/process_util.h
diff --git a/base/process_util.h b/base/process_util.h
index 09431db85d7fa6a5f1fec99d71d1e7910eeca7bf..c7e6443c003f4e7757173782f3c375b7a12d7d62 100644
--- a/base/process_util.h
+++ b/base/process_util.h
@@ -256,10 +256,6 @@ bool KillProcessById(ProcessId process_id, int exit_code, bool wait);
 // Get the termination status (exit code) of the process and return true if the
 // status indicates the process crashed. |child_exited| is set to true iff the
 // child process has terminated. (|child_exited| may be NULL.)
-//
-// On Windows, it is an error to call this if the process hasn't terminated
-// yet. On POSIX, |child_exited| is set correctly since we detect terminate in
-// a different manner on POSIX.
 bool DidProcessCrash(bool* child_exited, ProcessHandle handle);
 
 // Waits for process to exit. In POSIX systems, if the process hasn't been