Only whitelist messages.json files in _locales for content verification

extensions/browser/content_verify_job.cc

Index: extensions/browser/content_verify_job.cc
diff --git a/extensions/browser/content_verify_job.cc b/extensions/browser/content_verify_job.cc
index 4eee6a072da0182bd78417bfb0545d32bd611fee..b7f10b836a6b551f5ea672d99e75f551bdfaad56 100644
--- a/extensions/browser/content_verify_job.cc
+++ b/extensions/browser/content_verify_job.cc
@@ -208,9 +208,9 @@ void ContentVerifyJob::DispatchFailureCallback(FailureReason reason) {
   DCHECK(!failed_);
   failed_ = true;
   if (!failure_callback_.is_null()) {
-    VLOG(1) << "job failed for " << hash_reader_->extension_id() << " "
-            << hash_reader_->relative_path().MaybeAsASCII()
-            << " reason:" << reason;
+    LOG(WARNING) << "job failed for " << hash_reader_->extension_id() << " "
+                 << hash_reader_->relative_path().MaybeAsASCII()
+                 << " reason:" << reason;
     failure_callback_.Run(reason);
     failure_callback_.Reset();
   }