DevTools: carefully cleanup script UISourceCodes

third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html

Index: third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html
diff --git a/third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html b/third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html
index 259533df15f90d16fb32c7bdf845d5e1008ca907..75e32f35b852fd3d5009f31de935fcafa3a4bb21 100644
--- a/third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html
+++ b/third_party/WebKit/LayoutTests/inspector/sources/debugger-ui/source-url-comment.html
@@ -54,10 +54,9 @@ function test()
 {
     function forEachScriptMatchingURL(url, handler)
     {
-        var scripts = InspectorTest.debuggerModel._scripts;
-        for (var id in scripts) {
-            if (scripts[id].sourceURL.indexOf(url) !== -1)
-                handler(scripts[id]);
+        for (var script of InspectorTest.debuggerModel.scripts()) {
+            if (script.sourceURL.indexOf(url) !== -1)
+                handler(script);
         }
     }