Pulling in latest gyp with rule generation and configuration change.

BUG=None
TEST=None
TBR=sgk

Review URL: http://codereview.chromium.org/351003

git-svn-id: http://src.chromium.org/svn/trunk/src/build@30680 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -357,11 +357,7 @@
           'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
           'CharacterSet': '1',
         },
-        'conditions': [
-          ['OS=="win"', {
-            'configuration_platform': 'Win32',
-          }],
-        ],
+        'msvs_configuration_platform': 'Win32',
       },
       'Debug': {
         'inherit_from': ['Common'],