Remove PeerConnectionIdentityStore and related messaging/storage code.

chrome/browser/prefs/browser_prefs.cc

 // Copyright 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/prefs/browser_prefs.h"
 
 #include <string>
 
+#include "base/files/file_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/accessibility/invert_bubble_prefs.h"
 #include "chrome/browser/browser_process_impl.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/budget_service/background_budget_service.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/component_updater/recovery_component_installer.h"
@@ skipping 71 matching lines @@
 #include "components/search_engines/template_url_prepopulate_data.h"
 #include "components/ssl_config/ssl_config_service_manager.h"
 #include "components/startup_metric_utils/browser/startup_metric_utils.h"
 #include "components/subresource_filter/core/browser/ruleset_service.h"
 #include "components/sync_driver/sync_prefs.h"
 #include "components/syncable_prefs/pref_service_syncable.h"
 #include "components/translate/core/browser/translate_prefs.h"
 #include "components/update_client/update_client.h"
 #include "components/variations/service/variations_service.h"
 #include "components/web_resource/promo_resource_service.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "net/http/http_server_properties_manager.h"
 
 #if BUILDFLAG(ENABLE_BACKGROUND)
 #include "chrome/browser/background/background_mode_manager.h"
 #endif
 
 #if defined(ENABLE_EXTENSIONS)
 #include "chrome/browser/accessibility/animation_policy_prefs.h"
 #include "chrome/browser/apps/shortcut_manager.h"
@@ skipping 177 matching lines @@
     "googlegeolocationaccess.enabled";
 #endif
 
 // Deprecated 4/2016.
 const char kCheckDefaultBrowser[] = "browser.check_default_browser";
 
 // Deprecated 5/2016.
 const char kDesktopSearchRedirectionInfobarShownPref[] =
     "desktop_search_redirection_infobar_shown";
 
+void DeleteWebRTCIdentityStoreDBOnFileThread(base::FilePath profile_path) {
+  base::DeleteFile(profile_path.Append("WebRTCIdentityStore"), false);
+  base::DeleteFile(profile_path.Append("WebRTCIdentityStore-journal"), false);
+}
+
+void DeleteWebRTCIdentityStoreDB(Profile* profile) {
+  content::BrowserThread::PostTask(

[battre, 2016/07/01 10:43:45]

I would suggest to use PostDelayedTask with a delay of 120 seconds so that you
don't block the File thread during startup where a lot of stuff needs to be
read.

[hbos_chromium, 2016/07/01 12:15:35]

That makes sense! Done.

+      content::BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&DeleteWebRTCIdentityStoreDBOnFileThread, profile->GetPath()));
+}
+
 }  // namespace
 
 namespace chrome {
 
 void RegisterLocalState(PrefRegistrySimple* registry) {
   // Please keep this list alphabetized.
   AppListService::RegisterPrefs(registry);
   browser_shutdown::RegisterPrefs(registry);
   BrowserProcessImpl::RegisterPrefs(registry);
   ChromeMetricsServiceClient::RegisterPrefs(registry);
@@ skipping 395 matching lines @@
         metrics_service
             ? base::Time::FromTimeT(metrics_service->GetInstallDate())
             : base::Time::Now();
     profile_prefs->SetInt64(prefs::kDefaultBrowserLastDeclined,
                             install_time.ToInternalValue());
   }
   profile_prefs->ClearPref(kCheckDefaultBrowser);
 
   // Added 5/2016.
   profile_prefs->ClearPref(kDesktopSearchRedirectionInfobarShownPref);
+
+  // Added 7/2016.
+  DeleteWebRTCIdentityStoreDB(profile);
 }
 
 }  // namespace chrome