[inspector] support for nested scheduled breaks

test/inspector/debugger/framework-nested-scheduled-break-expected.txt

Index: test/inspector/debugger/framework-nested-scheduled-break-expected.txt
diff --git a/test/inspector/debugger/framework-nested-scheduled-break-expected.txt b/test/inspector/debugger/framework-nested-scheduled-break-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d4ceca5c424aab86e01c3a4b5852c7bb35e8623
--- /dev/null
+++ b/test/inspector/debugger/framework-nested-scheduled-break-expected.txt
@@ -0,0 +1,21 @@
+Checks nested scheduled break in framework code.
+break reason: doFrameworkWork
+foo (user.js:23:12)
+doFrameworkWork (framework.js:14:2)
+frameworkCall (framework.js:9:2)
+testFunction (user.js:20:2)
+(anonymous) (expr.js:0:0)
+break reason: break in user code
+foo (user.js:24:2)
+doFrameworkWork (framework.js:14:2)
+frameworkCall (framework.js:9:2)
+testFunction (user.js:20:2)
+(anonymous) (expr.js:0:0)
+{
+    id : <messageId>
+    result : {
+        result : {
+            type : undefined
+        }
+    }
+}