Enabled snapshot generation in SDK creation for Windows platform.

tools/create_sdk.py

Index: tools/create_sdk.py
diff --git a/tools/create_sdk.py b/tools/create_sdk.py
index 38b3e6cec31bd373830f22e9da96ec4744107e93..5793e3e03796a3e403b82e41a3c9a88ea180b2a5 100755
--- a/tools/create_sdk.py
+++ b/tools/create_sdk.py
@@ -112,14 +112,12 @@ def CopyDartScripts(home, build_dir, sdk_root, version):
     CopyShellScript(os.path.join(home, 'sdk', 'bin', executable),
                     os.path.join(sdk_root, 'bin'))
 
-  if utils.GuessOS() != 'win32':
-    # TODO(ahe): Enable for Windows as well.
-    subprocess.call([os.path.join(build_dir, 'gen_snapshot'),
-                     '--script_snapshot=%s' %
-                     os.path.join(sdk_root, 'lib', '_internal', 'compiler',
-                                  'implementation', 'dart2js.dart.snapshot'),
-                     os.path.join(sdk_root, 'lib', '_internal', 'compiler',
-                                  'implementation', 'dart2js.dart')])
+  subprocess.call([os.path.join(build_dir, 'gen_snapshot'),
+                   '--script_snapshot=%s' %
+                   os.path.join(sdk_root, 'lib', '_internal', 'compiler',
+                                'implementation', 'dart2js.dart.snapshot'),
+                   os.path.join(sdk_root, 'lib', '_internal', 'compiler',
+                                'implementation', 'dart2js.dart')])