Fixed presubmit errors.

src/func-name-inferrer.h

Index: src/func-name-inferrer.h
diff --git a/src/func-name-inferrer.h b/src/func-name-inferrer.h
index 6e2bf9135803448ea2150b5c22d6bf5c74bbf52c..4e49285da1cfb5782d947b221359c723afbb8a56 100644
--- a/src/func-name-inferrer.h
+++ b/src/func-name-inferrer.h
@@ -99,8 +99,9 @@ class FuncNameInferrer BASE_EMBEDDED {
 // leaving scope.
 class ScopedFuncNameInferrer BASE_EMBEDDED {
  public:
-  ScopedFuncNameInferrer(FuncNameInferrer* inferrer) : inferrer_(inferrer),
-                                                       is_entered_(false) {};
+  explicit ScopedFuncNameInferrer(FuncNameInferrer* inferrer) :
+      inferrer_(inferrer),
+      is_entered_(false) {}
   ~ScopedFuncNameInferrer() {
     if (is_entered_) {
       inferrer_->InferAndLeave();