Bluetooth API: add discovering changed events

chrome/browser/chromeos/extensions/bluetooth_event_router.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/chromeos/extensions/bluetooth_event_router.h"
 
 #include <map>
 
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted.h"
@@ skipping 65 matching lines @@
 }
 
 void ExtensionBluetoothEventRouter::AdapterPoweredChanged(
     chromeos::BluetoothAdapter* adapter, bool has_power) {
   DCHECK(adapter == adapter_.get());
   DispatchBooleanValueEvent(
       extensions::event_names::kBluetoothOnPowerChanged,
       has_power);
 }
 
+void ExtensionBluetoothEventRouter::AdapterDiscoveringChanged(
+    chromeos::BluetoothAdapter* adapter, bool discovering) {
+  DCHECK(adapter == adapter_.get());
+  DispatchBooleanValueEvent(
+      extensions::event_names::kBluetoothOnDiscoveringChanged,
+      discovering);
+}
+
 void ExtensionBluetoothEventRouter::DeviceAdded(
     chromeos::BluetoothAdapter* adapter, chromeos::BluetoothDevice* device) {
   if (!send_discovery_events_)
     return;
 
   DCHECK(adapter == adapter_.get());
 
   extensions::api::experimental_bluetooth::Device extension_device;
   extensions::api::experimental_bluetooth::BluetoothDeviceToApiDevice(
       *device, &extension_device);
@@ skipping 17 matching lines @@
   std::string json_args;
   base::JSONWriter::Write(&args, &json_args);
 
   // TODO(bryeung): only dispatch the event to interested renderers
   // crbug.com/133179
   profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name, json_args, NULL, GURL());
 }
 
 }  // namespace chromeos