Add NotificationDisplayServiceProxy

chrome/browser/notifications/notification_platform_bridge_linux.h

Index: chrome/browser/notifications/notification_platform_bridge_linux.h
diff --git a/chrome/browser/notifications/notification_platform_bridge_linux.h b/chrome/browser/notifications/notification_platform_bridge_linux.h
index 64cbde7e4eba453a1f9cda478ea5b4df05645a18..7cd9d3dd38fae50f5106e4c061880174f2aab79b 100644
--- a/chrome/browser/notifications/notification_platform_bridge_linux.h
+++ b/chrome/browser/notifications/notification_platform_bridge_linux.h
@@ -29,9 +29,7 @@ class NotificationPlatformBridgeLinux : public NotificationPlatformBridge {
       bool incognito,
       const DisplayedNotificationsCallback& callback) const override;
 
-  // Waits until the D-Bus connection has been created.  Returns true
-  // if the connection was successful.
-  bool BlockUntilReady();
+  void IsConnected(const base::Callback<void(bool)>& callback);

[Peter Beverloo, 2017/04/19 13:26:41]

nit: there's a bunch of massive refactoring CLs in flight where people update
base::Callback to base::OnceCallback. Looks like the semantics of this qualify.

[Tom (Use chromium acct), 2017/04/20 01:43:47]

Done.

 
  private:
   class NativeNotificationThread;