DevTools: sort completions by prototype.

third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html

Index: third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html b/third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html
index 4b12df28ae1f1523324feb4c0226f74d6d893162..d93ca5a7dfef981eb0f8687f45afcda1ea4e63f9 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/console-cd-completions.html
@@ -166,12 +166,17 @@ function test()
     function dumpCompletions(completions, expected)
     {
         var completionSet = new Set(completions.map(c => c.title));
+        var notFound = false;
         for (var completion of expected) {
-            if (completionSet.has(completion))
+            if (completionSet.has(completion)) {
                 InspectorTest.addResult(completion);
-            else
+            } else {
                 InspectorTest.addResult("NOT FOUND: " + completion);
+                notFound = true;
+            }
         }
+        if (notFound)
+            InspectorTest.addResult(JSON.stringify(completions));
     }
 }