Temporary whitelist several cases of disk I/O on the UI threads in cros.

BUG=60211, 70097, 70119, 70131, 62626, 61143, chromium-os:11102, chromium-os:11104, chromium-os:11105, chromium-os:11106, chromium-os:11109
TEST=bots

Review URL: http://codereview.chromium.org/6272012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72331 0039d316-1c4b-4281-b951-d872f2087c98

base/nss_util.cc

@@ -165,6 +165,9 @@ class NSSInitSingleton {
 #if defined(OS_CHROMEOS)
   void OpenPersistentNSSDB() {
     if (!chromeos_user_logged_in_) {
+      // GetDefaultConfigDirectory causes us to do blocking IO on UI thread.
+      // Temporarily allow it until we fix http://crbug.com.70119
+      ThreadRestrictions::ScopedAllowIO allow_io;
       chromeos_user_logged_in_ = true;
       real_db_slot_ = OpenUserDB(GetDefaultConfigDirectory(),
                                  "Real NSS database");

chrome/browser/chromeos/login/apply_services_customization.cc

@@ -21,7 +21,6 @@
 namespace {
 
 // URL where to fetch OEM services customization manifest from.
-// TODO(denisromanov): Change this to real URL when it becomes available.
 const char kServicesCustomizationManifestUrl[] =
     "file:///mnt/partner_partition/etc/chromeos/services_manifest.json";
 

chrome/browser/chromeos/login/help_app_launcher.cc

@@ -6,6 +6,7 @@
 
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/common/url_constants.h"
@@ -39,6 +40,9 @@ HelpAppLauncher::HelpAppLauncher(gfx::NativeWindow parent_window)
 // returns GURL instance for it. Otherwise returns an empty GURL.
 static GURL GetLocalFileUrl(const std::string& base_path,
                             const std::string& filename) {
+  // Checking for help dir existence causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crosbug.com/11105
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   FilePath file_path(base_path + filename);
   if (file_util::PathExists(file_path)) {
     const std::string path_url = std::string(chrome::kFileScheme) +

chrome/browser/chromeos/login/language_switch_menu.cc

@@ -5,6 +5,7 @@
 #include "chrome/browser/chromeos/login/language_switch_menu.h"
 
 #include "base/i18n/rtl.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
@@ -91,10 +92,14 @@ void LanguageSwitchMenu::SwitchLanguage(const std::string& locale) {
   if (!prefs->IsManagedPreference(prefs::kApplicationLocale)) {
     prefs->SetString(prefs::kApplicationLocale, locale);
     prefs->SavePersistentPrefs();
-
-    // Switch the locale.
-    const std::string loaded_locale =
-        ResourceBundle::ReloadSharedInstance(locale);
+    std::string loaded_locale;
+    {
+      // Reloading resource bundle causes us to do blocking IO on UI thread.
+      // Temporarily allow it until we fix http://crosbug.com/11102
+      base::ThreadRestrictions::ScopedAllowIO allow_io;
+      // Switch the locale.
+      loaded_locale = ResourceBundle::ReloadSharedInstance(locale);
+    }
     CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
 
     // Enable the keyboard layouts that are necessary for the new locale.

chrome/browser/chromeos/login/login_utils.cc

@@ -15,6 +15,7 @@
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ -221,9 +222,15 @@ void LoginUtilsImpl::CompleteLogin(
   logging::RedirectChromeLogging(*(CommandLine::ForCurrentProcess()));
   btl->AddLoginTimeMarker("LoggingRedirected", false);
 
-  // The default profile will have been changed because the ProfileManager
-  // will process the notification that the UserManager sends out.
-  Profile* profile = profile_manager->GetDefaultProfile(user_data_dir);
+  Profile* profile = NULL;
+  {
+    // Loading user profile causes us to do blocking IO on UI thread.
+    // Temporarily allow it until we fix http://crosbug.com/11104
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    // The default profile will have been changed because the ProfileManager
+    // will process the notification that the UserManager sends out.
+    profile = profile_manager->GetDefaultProfile(user_data_dir);
+  }
   btl->AddLoginTimeMarker("UserProfileGotten", false);
 
   // Change the proxy configuration service of the default request context to

chrome/browser/chromeos/login/ownership_service.cc

@@ -7,6 +7,7 @@
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_thread.h"
 
 namespace chromeos {
@@ -28,6 +29,9 @@ OwnershipService::~OwnershipService() {}
 
 
 bool OwnershipService::IsAlreadyOwned() {
+  // This should not do blocking IO from the UI thread.
+  // Temporarily allow it for now. http://crbug.com/70097
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   return file_util::PathExists(utils_->GetOwnerKeyFilePath());
 }
 

chrome/browser/chromeos/login/update_screen.cc

@@ -6,6 +6,7 @@
 
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/login/screen_observer.h"
 #include "chrome/browser/chromeos/login/update_view.h"
@@ -208,6 +209,9 @@ bool UpdateScreen::HasCriticalUpdate() {
     return true;
 
   std::string deadline;
+  // Checking for update flag file causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crosbug.com/11106
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   FilePath update_deadline_file_path(kUpdateDeadlineFile);
   if (!file_util::ReadFileToString(update_deadline_file_path, &deadline) ||
       deadline.empty()) {

chrome/browser/chromeos/login/wizard_controller.cc

@@ -14,6 +14,7 @@
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/cryptohome_library.h"
@@ -192,7 +193,9 @@ void DeleteWizardControllerAndLaunchBrowser(WizardController* controller) {
 }
 
 const chromeos::StartupCustomizationDocument* LoadStartupManifest() {
-  // Load partner customization startup manifest if it is available.
+  // Loading manifest causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crosbug.com/11103
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   FilePath startup_manifest_path(kStartupCustomizationManifestPath);
   if (file_util::PathExists(startup_manifest_path)) {
     scoped_ptr<chromeos::StartupCustomizationDocument> customization(
@@ -828,6 +831,9 @@ void WizardController::MarkOobeCompleted() {
 
 // static
 bool WizardController::IsDeviceRegistered() {
+  // Checking for flag file causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crbug.com/70131
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   FilePath oobe_complete_flag_file_path(kOobeCompleteFlagFilePath);
   return file_util::PathExists(oobe_complete_flag_file_path);
 }
@@ -846,6 +852,9 @@ bool WizardController::IsRegisterScreenDefined() {
 
 // static
 void WizardController::MarkDeviceRegistered() {
+  // Creating flag file causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crbug.com/70131
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   // Create flag file for boot-time init scripts.
   FilePath oobe_complete_path(kOobeCompleteFlagFilePath);
   FILE* oobe_flag_file = file_util::OpenFile(oobe_complete_path, "w+b");
@@ -1009,6 +1018,9 @@ void ShowLoginWizard(const std::string& first_screen_name,
       locale = controller->GetCustomization()->initial_locale();
       VLOG(1) << "Initial locale: " << locale;
       if (!locale.empty()) {
+        // Reloading resource bundle causes us to do blocking IO on UI thread.
+        // Temporarily allow it until we fix http://crosbug.com/11102
+        base::ThreadRestrictions::ScopedAllowIO allow_io;
         const std::string loaded_locale =
             ResourceBundle::ReloadSharedInstance(locale);
         CHECK(!loaded_locale.empty()) << "Locale could not be found for "

chrome/browser/chromeos/metrics_cros_settings_provider.cc

@@ -5,6 +5,7 @@
 #include "chrome/browser/chromeos/metrics_cros_settings_provider.h"
 
 #include "base/string_util.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros_settings.h"
 #include "chrome/browser/chromeos/cros_settings_names.h"
@@ -43,7 +44,14 @@ bool MetricsCrosSettingsProvider::SetMetricsStatus(bool enabled) {
   if (user->user_is_logged_in() && !user->current_user_is_owner())
     return false;
   VLOG(1) << "Setting cros stats/crash metric reporting to " << enabled;
-  if (enabled != GoogleUpdateSettings::GetCollectStatsConsent()) {
+  bool collect_stats_consent = false;
+  {
+    // Loading consent file state causes us to do blocking IO on UI thread.
+    // Temporarily allow it until we fix http://crbug.com/62626
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    collect_stats_consent = GoogleUpdateSettings::GetCollectStatsConsent();
+  }
+  if (enabled != collect_stats_consent) {
     bool new_enabled = OptionsUtil::ResolveMetricsReportingEnabled(enabled);
 #if defined(USE_LINUX_BREAKPAD)
     if (new_enabled)
@@ -62,6 +70,9 @@ bool MetricsCrosSettingsProvider::SetMetricsStatus(bool enabled) {
 
 // static
 bool MetricsCrosSettingsProvider::GetMetricsStatus() {
+  // Loading consent file state causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crbug.com/62626
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   return GoogleUpdateSettings::GetCollectStatsConsent();
 }
 

chrome/common/logging_chrome.cc

@@ -40,6 +40,7 @@
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
@@ -213,6 +214,9 @@ void RedirectChromeLogging(const CommandLine& command_line) {
   // defaults to the profile dir.
   FilePath log_path = GetSessionLogFile(command_line);
 
+  // Creating symlink causes us to do blocking IO on UI thread.
+  // Temporarily allow it until we fix http://crbug.com/61143
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   // Always force a new symlink when redirecting.
   FilePath target_path = SetUpSymlinkIfNeeded(log_path, true);