Delete the utility process startup ping.

chrome/browser/safe_browsing/sandboxed_zip_analyzer.h

Index: chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
diff --git a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
index b5ff1c294ba13a8f98e5a09b85798f1edd80233a..d2cd8d9cdd085912e6d75d8693ef3de446507e4c 100644
--- a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
+++ b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
@@ -59,10 +59,6 @@ class SandboxedZipAnalyzer : public content::UtilityProcessHostClient {
   // Launches the utility process.  Must run on the IO thread.
   void StartProcessOnIOThread();
 
-  // Notification that the utility process is running, and we can now get its
-  // process handle.
-  void OnUtilityProcessStarted();
-
   // Notification from the utility process that the zip file has been analyzed,
   // with the given results.  Runs on the IO thread.
   void OnAnalyzeZipFileFinished(const zip_analyzer::Results& results);