Change the maximum optimization count into a commandline flag.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 7a227bc9fcabc846c1b3277eb474d557f0c81b9b..e60e510e143f5eefd263848703670d6af324ba0a 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -410,10 +410,6 @@ class OptimizingCompiler: public ZoneObject {
 
 class Compiler : public AllStatic {
  public:
-  // Default maximum number of function optimization attempts before we
-  // give up.
-  static const int kDefaultMaxOptCount = 10;
-
   static const int kMaxInliningLevels = 3;
 
   // Call count before primitive functions trigger their own optimization.