Output generated headers using Python's "wb" mode, to prevent EOL-munging.

ppapi/generators/idl_outfile.py

Index: ppapi/generators/idl_outfile.py
diff --git a/ppapi/generators/idl_outfile.py b/ppapi/generators/idl_outfile.py
index d717360f62f52085dc2e65bec18c60ec85831760..aa0b5aa34a2a588bc44628950de410dcce75f552 100755
--- a/ppapi/generators/idl_outfile.py
+++ b/ppapi/generators/idl_outfile.py
@@ -81,7 +81,7 @@ class IDLOutFile(object):
     outtext = ''.join(self.outlist)
     if not self.always_write:
       if os.path.isfile(filename):
-        intext = open(filename, 'r').read()
+        intext = open(filename, 'rb').read()
       else:
         intext = ''
 
@@ -106,7 +106,7 @@ class IDLOutFile(object):
         os.makedirs(basepath)
 
       if not GetOption('test'):
-        outfile = open(filename, 'w')
+        outfile = open(filename, 'wb')
         outfile.write(outtext)
         InfoOut.Log('Output %s written.' % self.filename)
       return True