Experimental USB API implementation.

chrome/browser/profiles/profile_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/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
@@ skipping 47 matching lines @@
 #include "chrome/browser/profiles/gaia_info_update_service.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search_engines/template_url_fetcher.h"
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/speech/chrome_speech_recognition_preferences.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/browser_init.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
+#include "chrome/browser/usb/usb_service.h"
 #include "chrome/browser/user_style_sheet_watcher.h"
 #include "chrome/browser/visitedlink/visitedlink_event_listener.h"
 #include "chrome/browser/visitedlink/visitedlink_master.h"
 #include "chrome/browser/web_resource/promo_resource_service.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
@@ skipping 444 matching lines @@
   // HistoryService will join with HistoryService's backend thread so that
   // by the time the destructor has finished we're sure it will no longer call
   // into the BookmarkModel.
   history_service_ = NULL;
   bookmark_bar_model_.reset();
 
   // FaviconService depends on HistoryServce so make sure we delete
   // HistoryService first.
   favicon_service_.reset();
 
+  if (usb_service_.get())
+    usb_service_->Cleanup();
+  usb_service_.reset(NULL);
+
   if (pref_proxy_config_tracker_.get())
     pref_proxy_config_tracker_->DetachFromPrefService();
 
   if (protocol_handler_registry_)
     protocol_handler_registry_->Finalize();
 
   if (host_content_settings_map_)
     host_content_settings_map_->ShutdownOnUIThread();
 
   // This causes the Preferences file to be written to disk.
@@ skipping 114 matching lines @@
   ChromeVersionService::OnProfileLoaded(prefs_.get(), is_new_profile);
   DoFinalInit(is_new_profile);
 }
 
 bool ProfileImpl::WasCreatedByVersionOrLater(const std::string& version) {
   Version profile_version(ChromeVersionService::GetVersion(prefs_.get()));
   Version arg_version(version);
   return (profile_version.CompareTo(arg_version) >= 0);
 }
 
+UsbService* ProfileImpl::GetUsbService() {
+  if (!usb_service_.get()) {
+    usb_service_.reset(new UsbService());
+  }
+  return usb_service_.get();
+}
+
 PrefService* ProfileImpl::GetPrefs() {
   DCHECK(prefs_.get());  // Should explicitly be initialized.
   return prefs_.get();
 }
 
 PrefService* ProfileImpl::GetOffTheRecordPrefs() {
   if (!otr_prefs_.get()) {
     // The new ExtensionPrefStore is ref_counted and the new PrefService
     // stores a reference so that we do not leak memory here.
     otr_prefs_.reset(GetPrefs()->CreateIncognitoPrefService(
@@ skipping 482 matching lines @@
   if (!path.empty())
     *cache_path = path;
   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
                                  prefs_->GetInteger(prefs::kDiskCacheSize);
 }
 
 base::Callback<ChromeURLDataManagerBackend*(void)>
     ProfileImpl::GetChromeURLDataManagerBackendGetter() const {
   return io_data_.GetChromeURLDataManagerBackendGetter();
 }