Add message and Help Center link to the chooser UI

chrome/common/url_constants.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/common/url_constants.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "build/build_config.h"
@@ skipping 742 matching lines @@
 // https://crbug.com/555044
 const char kMac10_678_DeprecationURL[] =
     "http://chrome.blogspot.com/2015/11/updates-to-chrome-platform-support.html";
 #endif
 
 #if defined(OS_WIN)
 const char kWindowsXPVistaDeprecationURL[] =
     "https://support.google.com/chrome/answer/95346";
 #endif
 
+const char kWebBluetoothHelpCenterURL[] =

[ortuno, 2016/02/17 16:02:59]

Would you mind changing this to "kChooserBluetoothOverviewURL"? We have many
links in our android chooser so it would help if the names are more specific.

[juncai, 2016/02/17 22:40:40]

Done.

+    "https://support.google.com/chrome?p=bluetooth";
+
+// TODO(juncai): Change to a WebUsb help center URL when one is available.

[palmer, 2016/02/17 02:19:53]

Attach a specific bug ID to this TODO. We definitely wouldn't want to ship to
stable and still be pointing to this generic help page.

[juncai, 2016/02/17 22:40:40]

Done.

+const char kWebUsbHelpCenterURL[] = "https://support.google.com";
+
 }  // namespace chrome