Add correct file headers to all source files.

llvm-svn: 177625
diff --git a/lldb/tools/lldb-perf/lib/Metric.cpp b/lldb/tools/lldb-perf/lib/Metric.cpp
index df8a243..5f17bea 100644
--- a/lldb/tools/lldb-perf/lib/Metric.cpp
+++ b/lldb/tools/lldb-perf/lib/Metric.cpp
@@ -1,10 +1,11 @@
+//===-- Metric.cpp ----------------------------------------------*- C++ -*-===//
 //
-//  Metric.cpp
-//  PerfTestDriver
+//                     The LLVM Compiler Infrastructure
 //
-//  Created by Enrico Granata on 3/7/13.
-//  Copyright (c) 2013 Apple Inc. All rights reserved.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
+//===----------------------------------------------------------------------===//
 
 #include "Metric.h"