[Devtools] Added frame grouping to network panel

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
index 4cef0d366be55bae10ee8ff96e56376d9abfc7d1..3181c1eb27c4664bd8ede0494c984e7e97e39896 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
@@ -353,6 +353,7 @@ Network.NetworkLogView = class extends UI.VBox {
    */
   setGrouping(grouping) {
     this._activeGroupLookup = grouping;
+    this._nodeGroups.clear();
     this._invalidateAllItems();
   }
 
@@ -874,16 +875,18 @@ Network.NetworkLogView = class extends UI.VBox {
     if (!this._activeGroupLookup)
       return this._dataGrid.rootNode();
 
-    var groupName = this._activeGroupLookup.lookup(node.request());
-    if (!groupName)
+    var groupResultTuple = this._activeGroupLookup.lookupNameForRequest(node.request());
+    if (!groupResultTuple)
       return this._dataGrid.rootNode();
 
-    var group = this._nodeGroups.get(groupName);
+    var groupKey = groupResultTuple[0];
+    var groupName = groupResultTuple[1];
+    var group = this._nodeGroups.get(groupKey);
     if (group)
       return group;
     group = new Network.NetworkGroupNode(this, groupName);
     group.setColumnExtensions(this._columns.columnExtensions());
-    this._nodeGroups.set(groupName, group);
+    this._nodeGroups.set(groupKey, group);
     return group;
   }
 
@@ -1808,7 +1811,12 @@ Network.NetworkGroupLookupInterface = function() {};
 Network.NetworkGroupLookupInterface.prototype = {
   /**
    * @param {!SDK.NetworkRequest} request
-   * @return {?string}
+   * @return {?Network.NetworkGroupLookupInterface.LookupKeyNameTuple}
    */
-  lookup(request) {}
+  lookupNameForRequest(request) {}
 };
+
+/**
+ * @typedef {!Array<string>}
+ */
+Network.NetworkGroupLookupInterface.LookupKeyNameTuple;

[pfeldman, 2017/03/30 23:45:50]

use an objects with key and value fields instead.