Refactor DBusThreadManager to split away BT clients.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 96098f5124e86f2a6e4a77e6ca782848434290be..96b3c6c9706fb6755c666eb02b23596cd0017792 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -118,6 +118,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/main_function_params.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
+#include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "media/audio/sounds/sounds_manager.h"
 #include "net/base/network_change_notifier.h"
 #include "net/socket/ssl_server_socket.h"
@@ -168,6 +169,11 @@ class DBusServices {
     // Initialize DBusThreadManager for the browser. This must be done after
     // the main message loop is started, as it uses the message loop.
     DBusThreadManager::Initialize();
+
+    // This can only be initialized after DBusThreadManager has been
+    // initialized.

[stevenjb, 2015/09/17 21:48:01]

See my other comments, but we should avoid this implicit dependency from the get
go.

[rkc, 2015/09/21 18:54:22]

Done.

+    bluez::BluezDBusManager::Initialize();
+
     PowerPolicyController::Initialize(
         DBusThreadManager::Get()->GetPowerManagerClient());