Add a general mechanism to wait on the debugger for Broadcasters of a given class/event bit set.
Use this to allow the lldb Driver to emit notifications for breakpoint modifications.
<rdar://problem/10619974>

llvm-svn: 150665
diff --git a/lldb/source/API/SBCommunication.cpp b/lldb/source/API/SBCommunication.cpp
index 6b5ddb3..bf3a49e 100644
--- a/lldb/source/API/SBCommunication.cpp
+++ b/lldb/source/API/SBCommunication.cpp
@@ -255,6 +255,11 @@
     return broadcaster;
 }
 
+const char *
+SBCommunication::GetBroadcasterClass ()
+{
+    return Communication::GetStaticBroadcasterClass().AsCString();
+}
 
 //
 //void