Generalize builtins inlining flag to allow forced inlining of any function

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 41798947dd0b9f31505c65ad22f9003f8ab61bcd..56de2b60aec47c7aee914e95bfc445137b75aac6 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -125,10 +125,9 @@ class CompilationInfo {
     kTypingEnabled = 1 << 11,
     kDisableFutureOptimization = 1 << 12,
     kSplittingEnabled = 1 << 13,
-    kBuiltinInliningEnabled = 1 << 14,
-    kTypeFeedbackEnabled = 1 << 15,
-    kDeoptimizationEnabled = 1 << 16,
-    kSourcePositionsEnabled = 1 << 17
+    kTypeFeedbackEnabled = 1 << 14,
+    kDeoptimizationEnabled = 1 << 15,
+    kSourcePositionsEnabled = 1 << 16
   };
 
   explicit CompilationInfo(ParseInfo* parse_info);
@@ -238,12 +237,6 @@ class CompilationInfo {
 
   bool is_inlining_enabled() const { return GetFlag(kInliningEnabled); }
 
-  void MarkAsBuiltinInliningEnabled() { SetFlag(kBuiltinInliningEnabled); }
-
-  bool is_builtin_inlining_enabled() const {
-    return GetFlag(kBuiltinInliningEnabled);
-  }
-
   void MarkAsTypingEnabled() { SetFlag(kTypingEnabled); }
 
   bool is_typing_enabled() const { return GetFlag(kTypingEnabled); }