Delete the utility process startup ping.

chrome/browser/media_galleries/fileapi/safe_iapps_library_parser.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SAFE_IAPPS_LIBRARY_PARSER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SAFE_IAPPS_LIBRARY_PARSER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 30 matching lines @@
   SafeIAppsLibraryParser();
 
   // Start the parse of the iTunes library file.
   void ParseITunesLibrary(const base::FilePath& library_file,
                           const ITunesParserCallback& callback);
 
 
  private:
   enum ParserState {
     INITIAL_STATE,
-    PINGED_UTILITY_PROCESS_STATE,
     STARTED_PARSING_STATE,
     FINISHED_PARSING_STATE,
   };
 
   // content::UtilityProcessHostClient is ref-counted.
   ~SafeIAppsLibraryParser() override;
 
   // Posts a task to start the XML parsing in the utility process.
   void Start();
 
   // 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.
-  // Runs on the IO thread.
-  void OnUtilityProcessStarted();
-
   // Notification from the utility process when it finishes parsing the
   // iTunes XML. Runs on the IO thread.
   void OnGotITunesLibrary(bool result, const itunes::parser::Library& library);
 
   // Sets |parser_state_| in case the library XML file cannot be opened.
   // Runs on the IO thread.
   void OnOpenLibraryFileFailed();
 
   // Communicates an error to the callback given to the constructor.
   void OnError();
@@ skipping 18 matching lines @@
   // Verifies the messages from the utility process came at the right time.
   // Initialized on the Media Task Runner, but only accessed on the IO thread.
   ParserState parser_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeIAppsLibraryParser);
 };
 
 }  // namespace iapps
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SAFE_IAPPS_LIBRARY_PARSER_H_