Detect cygwin as Win32 for the purposes of running GN and downloading from google storage.

download_from_google_storage.py

Index: download_from_google_storage.py
===================================================================
--- download_from_google_storage.py	(revision 238894)
+++ download_from_google_storage.py	(working copy)
@@ -32,6 +32,14 @@
   pass
 
 
+def GetNormalizedPlatform():
+  """Returns the result of sys.platform accounting for cygwin.
+  Under cygwin, this will always return "win32" like the native Python."""
+  if sys.platform == "cygwin":

[M-A Ruel, 2013/12/05 14:37:58]

prefer single quotes to double quotes for strings.

+    return "win32"
+  return sys.platform
+
+
 # Common utilities
 class Gsutil(object):
   """Call gsutil with some predefined settings.  This is a convenience object,
@@ -317,7 +325,7 @@
 
   # Make sure we should run at all based on platform matching.
   if options.platform:
-    if not re.match(options.platform, sys.platform):
+    if not re.match(options.platform, GetNormalizedPlatform()):
       if options.verbose:
         print('The current platform doesn\'t match "%s", skipping.' %
               options.platform)