DevTools: add tests to fixate bindings behavior

third_party/WebKit/LayoutTests/http/tests/inspector/bindings/bindings-test.js

+var initialize_BindingsTest = function() {
+
+InspectorTest.preloadModule("sources");
+
+InspectorTest.dumpWorkspace = function() {
+    var uiSourceCodes = Workspace.workspace.uiSourceCodes().slice();
+    var urls = uiSourceCodes.map(code => code.url());
+    urls = urls.map(url => {
+        if (!url.startsWith('debugger://'))
+            return url;
+        return url.replace(/VM\d+/g, 'VM[XXX]');
+    });
+
+    urls.sort(String.caseInsensetiveComparator);
+    InspectorTest.addResult(`Workspace: ${urls.length} uiSourceCodes.`);
+    for (var url of urls) {
+        InspectorTest.addResult('    ' + url);
+    }
+}
+
+InspectorTest.attachFrame = function(frameId, url, evalSourceURL) {
+    var evalSource = `(${attachFrame.toString()})('${frameId}', '${url}')`;
+    if (evalSourceURL)
+        evalSource += '//# sourceURL=' + evalSourceURL;
+    return InspectorTest.evaluateInPageAsync(evalSource);
+
+    function attachFrame(frameId, url) {
+        var frame = document.createElement('iframe');
+        frame.src = url;
+        frame.id = frameId;
+        document.body.appendChild(frame);
+        return new Promise(x => frame.onload = x);
+    }
+}
+
+InspectorTest.detachFrame = function(frameId, evalSourceURL) {
+    var evalSource = `(${detachFrame.toString()})('${frameId}')`;
+    if (evalSourceURL)
+        evalSource += '//# sourceURL=' + evalSourceURL;
+    return InspectorTest.evaluateInPagePromise(evalSource);
+
+    function detachFrame(frameId) {
+        var frame = document.getElementById(frameId);
+        frame.remove();
+    }
+}
+
+InspectorTest.navigateFrame = function(frameId, navigateURL, evalSourceURL) {
+    var evalSource = `(${navigateFrame.toString()})('${frameId}', '${navigateURL}')`;
+    if (evalSourceURL)
+        evalSource += '//# sourceURL=' + evalSourceURL;
+    return InspectorTest.evaluateInPageAsync(evalSource);
+
+    function navigateFrame(frameId, url) {
+        var frame = document.getElementById(frameId);
+        frame.src = url;
+        return new Promise(x => frame.onload = x);
+    }
+}
+
+InspectorTest.markStep = function(title) {
+    InspectorTest.addResult('\nRunning: ' + title);
+}
+
+}
+