Always limit inlining depth to avoid taking too much time for --stress-opt runs.

We run with --nolimit-inlining when --stress-opt is on.
Review URL: http://codereview.chromium.org/8267007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9610 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen.cc

@@ -4555,9 +4555,7 @@ bool HGraphBuilder::TryInline(Call* expr) {
   HEnvironment* env = environment();
   int current_level = 1;
   while (env->outer() != NULL) {
-    if (current_level == (FLAG_limit_inlining
-                          ? Compiler::kMaxInliningLevels
-                          : 2 * Compiler::kMaxInliningLevels)) {
+    if (current_level == Compiler::kMaxInliningLevels) {
       TraceInline(target, caller, "inline depth limit reached");
       return false;
     }