Unify runtime-style IC functions with Runtime intrinsics

src/debug.cc

Index: src/debug.cc
diff --git a/src/debug.cc b/src/debug.cc
index a71315ad6976ce6003482c5af31d9e00af997b6d..bc45365c1ef006b65884f3d040336ae8517bcc5a 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -693,15 +693,6 @@ void Debug::Break(Arguments args, JavaScriptFrame* frame) {
 }
 
 
-RUNTIME_FUNCTION(Debug_Break) {
-  // Get the top-most JavaScript frame.
-  JavaScriptFrameIterator it(isolate);
-  isolate->debug()->Break(args, it.frame());
-  isolate->debug()->SetAfterBreakTarget(it.frame());
-  return isolate->heap()->undefined_value();
-}
-
-
 // Check the break point objects for whether one or more are actually
 // triggered. This function returns a JSArray with the break point objects
 // which is triggered.