Towards removing dependency from generic lowering on compilation info.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 608b4a537699fa6685d0367b63b65cecb3ba7732..82c0b874c4f1229d9e9af45d94a7a4e02f918384 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -80,7 +80,8 @@ class CompilationInfo {
     kCompilingForDebugging = 1 << 13,
     kParseRestriction = 1 << 14,
     kSerializing = 1 << 15,
-    kContextSpecializing = 1 << 16
+    kContextSpecializing = 1 << 16,
+    kInliningEnabled = 1 << 17
   };
 
   CompilationInfo(Handle<JSFunction> closure, Zone* zone);
@@ -186,6 +187,10 @@ class CompilationInfo {
 
   bool is_context_specializing() const { return GetFlag(kContextSpecializing); }
 
+  void MarkAsInliningEnabled() { SetFlag(kInliningEnabled); }
+
+  bool is_inlining_enabled() const { return GetFlag(kInliningEnabled); }
+
   bool IsCodePreAgingActive() const {
     return FLAG_optimize_for_size && FLAG_age_code && !will_serialize() &&
            !is_debug();