Debugger: require debugger to be active when dealing with breaks.

test/mjsunit/debug-stepin-positions.js

Index: test/mjsunit/debug-stepin-positions.js
diff --git a/test/mjsunit/debug-stepin-positions.js b/test/mjsunit/debug-stepin-positions.js
index ff532e3dd740a1d78df532475e6c981d179b089a..ac010aac4224175a5fcdc18ab7fee1f22ee2a67a 100644
--- a/test/mjsunit/debug-stepin-positions.js
+++ b/test/mjsunit/debug-stepin-positions.js
@@ -33,7 +33,7 @@ function DebuggerStatement() {
   debugger;  /*pause*/
 }
 
-function TestCase(fun, frame_number) {
+function TestCase(fun, frame_number, line_number) {
   var exception = false;
   var codeSnippet = undefined;
   var resultPositions = undefined;
@@ -64,8 +64,13 @@ function TestCase(fun, frame_number) {
 
   Debug.setListener(listener);
 
+  var breakpointId;
+  if (line_number) breakpointId = Debug.setBreakPoint(fun, line_number);
+
   fun();
 
+  if (line_number) Debug.clearBreakPoint(breakpointId);
+
   Debug.setListener(null);
 
   assertTrue(!exception, exception);
@@ -116,9 +121,7 @@ function TestCaseWithDebugger(fun) {
 }
 
 function TestCaseWithBreakpoint(fun, line_number, frame_number) {
-  var breakpointId = Debug.setBreakPoint(fun, line_number);
-  TestCase(fun, frame_number);
-  Debug.clearBreakPoint(breakpointId);
+  TestCase(fun, frame_number, line_number);
 }
 
 function TestCaseWithException(fun, frame_number) {