DevTools: Render third-party badges in timeline tree view

third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
index 9202ce2b689124bea4772458b3189c5749e921c8..39ef21abbe2501e2db7d0e888e7f61e1a347161f 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
@@ -333,6 +333,34 @@ Timeline.TimelineUIUtils = class {
   }
 
   /**
+   * @param {!ProductRegistry.Registry} productRegistry
+   * @param {!TimelineModel.TimelineModel} model
+   * @param {!Map<string, string>} urlToColorCache
+   * @param {!SDK.TracingModel.Event} event
+   * @return {string}
+   */
+  static eventColorByProduct(productRegistry, model, urlToColorCache, event) {
+    var url = Timeline.TimelineUIUtils.eventURL(event) || '';
+    var color = urlToColorCache.get(url);
+    if (!color) {
+      var defaultColor = '#f2ecdc';
+      var parsedURL = url.asParsedURL();
+      if (!parsedURL)
+        return defaultColor;
+      var name = productRegistry && productRegistry.nameForUrl(parsedURL);
+      if (!name) {
+        name = parsedURL.host;
+        var rootFrames = model.rootFrames();
+        if (rootFrames.some(pageFrame => new Common.ParsedURL(pageFrame.url).host === name))
+          return defaultColor;

[caseq, 2017/05/22 23:43:35]

Why don't we cache it?

[alph, 2017/05/24 00:53:44]

Done.

+      }
+      color = name ? ProductRegistry.BadgePool.colorForEntryName(name) : defaultColor;
+      urlToColorCache.set(url, color);
+    }
+    return color;
+  }
+
+  /**
    * @param {!SDK.TracingModel.Event} event
    * @return {string}
    */