Enforce utf-8 codec on all files read and write.

gclient_utils.py

Index: gclient_utils.py
diff --git a/gclient_utils.py b/gclient_utils.py
index 35f8b3bf44ef69ed02c72422c73125e7f671f2c1..9ba6da50c4b7c50926ca13aa937c84d94234f72f 100644
--- a/gclient_utils.py
+++ b/gclient_utils.py
@@ -4,6 +4,7 @@
 
 """Generic utils."""
 
+import codecs
 import errno
 import logging
 import os
@@ -76,21 +77,13 @@ class PrintableObject(object):
 
 
 def FileRead(filename, mode='rU'):
-  content = None
-  f = open(filename, mode)
-  try:
-    content = f.read()
-  finally:
-    f.close()
-  return content
+  with codecs.open(filename, mode=mode, encoding='utf-8') as f:
+    return f.read()
 
 
 def FileWrite(filename, content, mode='w'):
-  f = open(filename, mode)
-  try:
+  with codecs.open(filename, mode=mode, encoding='utf-8') as f:
     f.write(content)
-  finally:
-    f.close()
 
 
 def rmtree(path):