New adjustment method for Courgette....

courgette/adjustment_method.h

Index: courgette/adjustment_method.h
===================================================================
--- courgette/adjustment_method.h	(revision 17518)
+++ courgette/adjustment_method.h	(working copy)
@@ -16,12 +16,21 @@
   // Factory methods for making adjusters.
 
   // Returns the adjustment method used in production.
-  static AdjustmentMethod* MakeProductionAdjustmentMethod();
+  static AdjustmentMethod* MakeProductionAdjustmentMethod() {
+    return MakeShingleAdjustmentMethod();
+  }
 
   // Returns and adjustement method that makes no adjustments.
   static AdjustmentMethod* MakeNullAdjustmentMethod();
 
+  // Returns the original adjustment method.
+  static AdjustmentMethod* MakeTrieAdjustmentMethod();
 
+  // Returns the new shingle tiling adjustment method.
+  static AdjustmentMethod* MakeShingleAdjustmentMethod();
+
+  // AdjustmentMethod interface:
+
   // Adjusts |program| to increase similarity to |model|.  |program| can be
   // changed in any way provided that it still produces the same output when
   // assembled.