[Devtools] Execution context in console shows product experiment

third_party/WebKit/Source/devtools/front_end/console_frame_product_lookup/ConsoleFrameProductLookup.js

Index: third_party/WebKit/Source/devtools/front_end/console_frame_product_lookup/ConsoleFrameProductLookup.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console_frame_product_lookup/ConsoleFrameProductLookup.js b/third_party/WebKit/Source/devtools/front_end/console_frame_product_lookup/ConsoleFrameProductLookup.js
new file mode 100644
index 0000000000000000000000000000000000000000..bbd1a2953265c33107223bc2aa6a16346c4624ad
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/front_end/console_frame_product_lookup/ConsoleFrameProductLookup.js
@@ -0,0 +1,45 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+/**
+ * @implements {Console.ConsoleFrameNameLookupInterface}
+ */
+ConsoleFrameProductLookup.ProductLookup = class {
+  /**
+   * @override
+   * @param {!SDK.ResourceTreeFrame} frame
+   * @return {?string}
+   */
+  nameForFrame(frame) {
+    var name;
+    if (frame.url)
+      name = ProductRegistry.nameForUrl(new Common.ParsedURL(frame.url));
+    if (name)
+      return name;
+    // We are not caching the frame url result because it may change.
+    var symbol = ConsoleFrameProductLookup.ProductLookup._consoleProductFrameNameSymbol;
+    if (symbol in frame)
+      return frame[symbol];
+    frame[symbol] = ConsoleFrameProductLookup.ProductLookup._lookupFrameStacktraceName(frame);
+    return frame[symbol];
+  }
+
+  /**
+   * @param {!SDK.ResourceTreeFrame} frame
+   * @return {?string}
+   */
+  static _lookupFrameStacktraceName(frame) {
+    var name;
+    for (var stackTrace = frame.creationStackTrace(); stackTrace; stackTrace = frame.parent) {
+      for (var callFrame of stackTrace.callFrames) {
+        if (callFrame.url)
+          name = ProductRegistry.nameForUrl(new Common.ParsedURL(callFrame.url));
+        if (name)
+          return name;
+      }
+    }
+    return null;
+  }
+};
+
+ConsoleFrameProductLookup.ProductLookup._consoleProductFrameNameSymbol = Symbol('ConsoleProductFrameName');