Add stats support for existing optimizations

This patch adds support for the --dump-stats facility with existing
optimizations.

Change-Id: I68751b119a030952a11057cb651a3c63e87e73ea
Signed-off-by: Jean-Philippe Halimi <jean-philippe.halimi@intel.com>
diff --git a/compiler/optimizing/boolean_simplifier.h b/compiler/optimizing/boolean_simplifier.h
index e12a12c..0eb6c71 100644
--- a/compiler/optimizing/boolean_simplifier.h
+++ b/compiler/optimizing/boolean_simplifier.h
@@ -62,8 +62,8 @@
 
 class HBooleanSimplifier : public HOptimization {
  public:
-  explicit HBooleanSimplifier(HGraph* graph)
-    : HOptimization(graph, kBooleanSimplifierPassName) {}
+  HBooleanSimplifier(HGraph* graph, OptimizingCompilerStats* stats)
+    : HOptimization(graph, kBooleanSimplifierPassName, stats) {}
 
   void Run() OVERRIDE;