Tweak the PPAPI IDL generator to wrap the generated-from comment if necessary.

ppapi/generators/idl_outfile.py

 #!/usr/bin/python
 #
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """ Output file objects for generator. """
 
 import difflib
 import os
@@ skipping 18 matching lines @@
     inline = inlines[index]
     outline = outlines[index]
 
     if inline == outline: continue
 
     # If the line is not an exact match, check for comment deltas
     inwords = inline.split()
     outwords = outline.split()
 
     if not inwords or not outwords: return False
-    if inwords[0] != outwords[0] or inwords[0] != '/*': return False
+    if inwords[0] != outwords[0] or inwords[0] not in ('/*', '*'): return False
 
     # Neither the year, nor the modified date need an exact match
     if inwords[1] == 'Copyright':
       if inwords[4:] == outwords[4:]: continue
-    elif inwords[1] == 'From':
-      if inwords[0:4] == outwords[0:4]:
-        continue
+    elif inwords[1] == 'From': # Un-wrapped modified date.
+      if inwords[0:4] == outwords[0:4]: continue
+    elif inwords[1] == 'modified': # Wrapped modified date.
+      if inwords[0:2] == outwords[0:2]: continue
     return False
   return True
 
 
 #
 # IDLOutFile
 #
 # IDLOutFile provides a temporary output file.  By default, the object will
 # not write the output if the file already exists, and matches what will be
 # written.  This prevents the timestamp from changing to optimize cases where
@@ skipping 109 matching lines @@
   # Test conditionally writing the file skipping
   errors += TestFile(filename, stringlist, force=False, update=False)
 
   # Test conditionally writing the file updating
   errors += TestFile(filename, stringlist + ['X'], force=False, update=True)
 
   # Clean up file
   os.remove(filename)
   if not errors: InfoOut.Log('All tests pass.')
   sys.exit(errors)
-