Adding Findit variable builders corresponding to those in chromium.webkit

masters/master.tryserver.chromium.win/master.cfg

Index: masters/master.tryserver.chromium.win/master.cfg
diff --git a/masters/master.tryserver.chromium.win/master.cfg b/masters/master.tryserver.chromium.win/master.cfg
index 1eb3de1d87b78621db96dfacb53350bd4fb22247..ab143eaf308b4be6bcfc2819a09888fb7d2defcb 100644
--- a/masters/master.tryserver.chromium.win/master.cfg
+++ b/masters/master.tryserver.chromium.win/master.cfg
@@ -227,6 +227,26 @@ variable_builders = [
     'factory': m_annotator.BaseFactory('findit/chromium/compile'),
     'slavebuilddir': 'win_chrome'
   },
+  {
+    'name': 'win_chromium_variable_webkit_layout',
+    'factory': m_annotator.BaseFactory('findit/chromium/compile'),
+    'slavebuilddir': 'win_layout'
+  },
+  {
+    'name': 'win_chromium_variable_webkit_builder',
+    'factory': m_annotator.BaseFactory('findit/chromium/compile'),
+    'slavebuilddir': 'win_webkit'
+  },
+  {
+    'name': 'win_chromium_variable_webkit_win7_builder',
+    'factory': m_annotator.BaseFactory('findit/chromium/compile'),
+    'slavebuilddir': 'win_webkit'
+  },
+  {
+    'name': 'win_chromium_variable_webkit_win7_builder_x64',
+    'factory': m_annotator.BaseFactory('findit/chromium/compile'),
+    'slavebuilddir': 'win_webkit'
+  },
 ]
 
 c['builders'] = [