Add webusb notification UI code

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 143 matching lines @@
 #endif
 
 #if defined(USE_X11) || defined(OS_WIN) || defined(USE_OZONE)
 // How long to wait for the File thread to complete during EndSession, on Linux
 // and Windows. We have a timeout here because we're unable to run the UI
 // messageloop and there's some deadlock risk. Our only option is to exit
 // anyway.
 static const int kEndSessionTimeoutSeconds = 10;
 #endif
 
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+#include "chrome/browser/chrome_webusb_browser_client.h"
+#endif
+
 using content::BrowserThread;
 using content::ChildProcessSecurityPolicy;
 using content::PluginService;
 using content::ResourceDispatcherHost;
 
 BrowserProcessImpl::BrowserProcessImpl(
     base::SequencedTaskRunner* local_state_task_runner,
     const base::CommandLine& command_line)
     : created_watchdog_thread_(false),
       created_browser_policy_connector_(false),
@@ skipping 44 matching lines @@
 
   extensions_browser_client_.reset(
       new extensions::ChromeExtensionsBrowserClient);
   extensions::ExtensionsBrowserClient::Set(extensions_browser_client_.get());
 #endif
 
   message_center::MessageCenter::Initialize();
 
   update_client::UpdateQueryParams::SetDelegate(
       ChromeUpdateQueryParamsDelegate::GetInstance());
+
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+  webusb::WebUsbBrowserClient::Set(new ChromeWebUsbBrowserClient());
+#endif
 }
 
 BrowserProcessImpl::~BrowserProcessImpl() {
   tracked_objects::ThreadData::EnsureCleanupWasCalled(4);
 
   g_browser_process = NULL;
 }
 
 void BrowserProcessImpl::StartTearDown() {
     TRACE_EVENT0("shutdown", "BrowserProcessImpl::StartTearDown");
@@ skipping 1012 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)