bluetooth: Add URLs for Web Bluetooth help links.

content/public/browser/bluetooth_chooser.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_BLUETOOTH_CHOOSER_H_
 #define CONTENT_PUBLIC_BROWSER_BLUETOOTH_CHOOSER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 10 matching lines @@
     // Chromium can't ask for permission to scan for Bluetooth devices.
     DENIED_PERMISSION,
     // The user cancelled the chooser instead of selecting a device.
     CANCELLED,
     // The user selected device |opt_device_id|.
     SELECTED,
     // The user asked for a new Bluetooth discovery session to start.
     RESCAN,
     // Show overview page for Bluetooth.
     SHOW_OVERVIEW_HELP,
-    // Show help page explaining what Bluetooth pairing means.
-    SHOW_PAIRING_HELP,
     // Show help page explaining why scanning failed because Bluetooth is off.
     SHOW_ADAPTER_OFF_HELP,
     // Show help page explaining why Chromium needs the Location permission to
     // scan for Bluetooth devices. Only used on Android.
     SHOW_NEED_LOCATION_HELP,
 
     // As the dialog implementations grow more user-visible buttons and knobs,
     // we'll add enumerators here to support them.
   };
 
   // Chooser implementations are constructed with an |EventHandler| and report
   // user interaction with the chooser through it. |opt_device_id| is an empty
   // string except for Event::SELECTED.
   //
   // The EventHandler won't be called after the chooser object is destroyed.
   //
-  // After the EventHandler is called with Event::CANCELLED or Event::SELECTED,
-  // it won't be called again, and users must not call any more BluetoothChooser
-  // methods.
+  // After the EventHandler is called with Event::CANCELLED, Event::SELECTED,
+  // Event::DENIED_PERMISSION or Event::SHOW_*, it won't be called again, and
+  // users must not call any more BluetoothChooser methods.
   typedef base::Callback<void(Event, const std::string& opt_device_id)>
       EventHandler;
 
   BluetoothChooser() {}
   virtual ~BluetoothChooser();
 
   // Some platforms (especially Android) require Chromium to have permission
   // from the user before it can scan for Bluetooth devices. This function
   // returns false if Chromium isn't even allowed to ask. It defaults to true.
   virtual bool CanAskForScanningPermission();
@@ skipping 13 matching lines @@
                          const base::string16& device_name) {}
 
   // Tells the chooser that a device is no longer available. The chooser should
   // not call DeviceSelected() for a device that's been removed.
   virtual void RemoveDevice(const std::string& device_id) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BLUETOOTH_CHOOSER_H_