Delete the utility process startup ping.

chrome/browser/media_galleries/fileapi/safe_iapps_library_parser.cc

 // 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.
 
 #include "chrome/browser/media_galleries/fileapi/safe_iapps_library_parser.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
@@ skipping 47 matching lines @@
 void SafeIAppsLibraryParser::StartProcessOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK_EQ(INITIAL_STATE, parser_state_);
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner =
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
   utility_process_host_ =
       UtilityProcessHost::Create(this, task_runner.get())->AsWeakPtr();
   utility_process_host_->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_MEDIA_LIBRARY_FILE_CHECKER_NAME));
-  // Wait for the startup notification before sending the main IPC to the
-  // utility process, so that we can dup the file handle.
-  utility_process_host_->Send(new ChromeUtilityMsg_StartupPing);
-  parser_state_ = PINGED_UTILITY_PROCESS_STATE;
-}
-
-void SafeIAppsLibraryParser::OnUtilityProcessStarted() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (parser_state_ != PINGED_UTILITY_PROCESS_STATE)
-    return;
-
-  if (utility_process_host_->GetData().handle == base::kNullProcessHandle) {
-    DLOG(ERROR) << "Child process handle is null";
-    OnError();
-    return;
-  }
-
-  if (!itunes_callback_.is_null()) {
-    utility_process_host_->Send(new ChromeUtilityMsg_ParseITunesLibraryXmlFile(
-        IPC::TakePlatformFileForTransit(std::move(library_file_))));
-  }
+  utility_process_host_->Send(new ChromeUtilityMsg_ParseITunesLibraryXmlFile(
+      IPC::TakePlatformFileForTransit(std::move(library_file_))));
 
   parser_state_ = STARTED_PARSING_STATE;
 }
 
 void SafeIAppsLibraryParser::OnGotITunesLibrary(
     bool result, const itunes::parser::Library& library) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(!itunes_callback_.is_null());
 
   if (parser_state_ != STARTED_PARSING_STATE)
@@ skipping 17 matching lines @@
 void SafeIAppsLibraryParser::OnError() {
   parser_state_ = FINISHED_PARSING_STATE;
   if (!itunes_callback_.is_null())
     OnGotITunesLibrary(false /* failed */, itunes::parser::Library());
 }
 
 bool SafeIAppsLibraryParser::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SafeIAppsLibraryParser, message)
-    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ProcessStarted,
-                        OnUtilityProcessStarted)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_GotITunesLibrary,
                         OnGotITunesLibrary)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 }  // namespace iapps