merged branch Seldaek/wdt (PR #1390)

Commits
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e272d56 [WebProfilerBundle] Fixes toolbar content check

Discussion
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[WebProfilerBundle] Fixes toolbar content check

It appears that some html optimizers trim the comments, therefore the old check was not working. This is more robust.

Fixes the issue reported in 8541a5bcbc97f965f4c53fc3ece790cdc4a922bf

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/toolbar_js.html.twig

@@ -11,7 +11,7 @@
         xhr.open('GET', '{{ path("_wdt", { "token": token }) }}', true);
         xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
         xhr.onreadystatechange = function(state) {
-            if (4 === xhr.readyState && 200 === xhr.status && '<!-- START' === xhr.responseText.substring(0, 10)) {
+            if (4 === xhr.readyState && 200 === xhr.status && -1 !== xhr.responseText.indexOf('sf-toolbarreset')) {
                 wdt.innerHTML = xhr.responseText;
                 wdt.style.display = 'block';
             }