Move destruction of WebRtcLogUploader to post threads teardown.

chrome/browser/browser_process_impl.cc

 // Copyright (c) 2012 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/browser_process_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 268 matching lines @@
 
 #if defined(USE_AURA)
   // Delete aura after the metrics service has been deleted as it accesses
   // monitor information.
   aura::Env::DeleteInstance();
 #endif
 
   platform_part()->StartTearDown();
 
 #if defined(ENABLE_WEBRTC)
-  webrtc_log_uploader_.reset();
+  // Cancel any uploads to release the system url request context references.
+  if (webrtc_log_uploader_)
+    webrtc_log_uploader_->CancelURLFetcherOperations();
 #endif
 
   if (local_state())
     local_state()->CommitPendingWrite();
 }
 
 void BrowserProcessImpl::PostDestroyThreads() {
   // With the file_thread_ flushed, we can release any icon resources.
   icon_manager_.reset();
 
+#if defined(ENABLE_WEBRTC)
+  // Must outlive the file thread.
+  webrtc_log_uploader_.reset();
+#endif
+
   // Reset associated state right after actual thread is stopped,
   // as io_thread_.global_ cleanup happens in CleanUp on the IO
   // thread, i.e. as the thread exits its message loop.
   //
   // This is important also because in various places, the
   // IOThread object being NULL is considered synonymous with the
   // IO thread having stopped.
   io_thread_.reset();
 }
 
@@ skipping 774 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)