Add an API to figure out whether a breakpoint is internal or not.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@164648 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/API/SBBreakpoint.cpp b/source/API/SBBreakpoint.cpp
index d9a92d4..8be6704 100644
--- a/source/API/SBBreakpoint.cpp
+++ b/source/API/SBBreakpoint.cpp
@@ -234,6 +234,18 @@
         return false;
 }
 
+bool
+SBBreakpoint::IsInternal ()
+{
+    if (m_opaque_sp)
+    {
+        Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
+        return m_opaque_sp->IsInternal();
+    }
+    else
+        return false;
+}
+
 void
 SBBreakpoint::SetIgnoreCount (uint32_t count)
 {