Chrome OS: Attach bluetooth UI to device discovery API

chrome/browser/ui/webui/options/chromeos/system_options_handler.h

Index: chrome/browser/ui/webui/options/chromeos/system_options_handler.h
diff --git a/chrome/browser/ui/webui/options/chromeos/system_options_handler.h b/chrome/browser/ui/webui/options/chromeos/system_options_handler.h
index 082e6dfd4fa7632150205f28f412a320f96adc55..c5921d5d017ba4504740804ae416ce63ae540ebc 100644
--- a/chrome/browser/ui/webui/options/chromeos/system_options_handler.h
+++ b/chrome/browser/ui/webui/options/chromeos/system_options_handler.h
@@ -6,6 +6,10 @@
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SYSTEM_OPTIONS_HANDLER_H_
 #pragma once
 
+#include <string>
+
+#include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h"
+#include "chrome/browser/chromeos/bluetooth/bluetooth_manager.h"
 #include "chrome/browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h"
 
 namespace base {
@@ -13,7 +17,9 @@ class DictionaryValue;
 }
 
 // ChromeOS system options page UI handler.
-class SystemOptionsHandler : public chromeos::CrosOptionsPageUIHandler {
+class SystemOptionsHandler : public chromeos::CrosOptionsPageUIHandler,
+                             public chromeos::BluetoothManager::Observer,
+                             public chromeos::BluetoothAdapter::Observer {
  public:
   SystemOptionsHandler();
   virtual ~SystemOptionsHandler();
@@ -51,11 +57,34 @@ class SystemOptionsHandler : public chromeos::CrosOptionsPageUIHandler {
   // for device are "deviceName", "deviceId", "deviceType" and "deviceStatus".
   void BluetoothDeviceNotification(const base::DictionaryValue& device);
 
+  // chromeos::BluetoothManager::Observer override.
+  virtual void DefaultAdapterChanged(chromeos::BluetoothAdapter* adapter);
+
+  // chromeos::BluetoothAdapter::Observer override.
+  virtual void DiscoveryStarted(const std::string& adapter_id);
+
+  // chromeos::BluetoothAdapter::Observer override.
+  virtual void DiscoveryEnded(const std::string& adapter_id);
+
+  // chromeos::BluetoothAdapter::Observer override.
+  virtual void DeviceFound(const std::string& adapter_id,
+                           chromeos::BluetoothDevice* device);
+
  private:
+  // Initializes the bluetooth settings UI.
+  void InitializeBluetooth();
+
+  // Shuts down the bluetooth settings UI.
+  void ShutdownBluetooth();
+
   // Simulates extracting a list of available bluetooth devices.
   // Called when emulating ChromeOS from a desktop environment.
   void GenerateFakeDeviceList();
 
+  // The id of the current default bluetooth adapter.
+  // The empty string represents "none".
+  std::string default_adapter_id_;
+
   DISALLOW_COPY_AND_ASSIGN(SystemOptionsHandler);
 };