[Devtools] Prepare network log view for grouping support

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

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkDataGridNode.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkDataGridNode.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkDataGridNode.js
index ab943236014e4742f731770c9359d4847986de92..5bb378a6c6b752485774a40e811509ac27871b30 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkDataGridNode.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkDataGridNode.js
@@ -261,17 +261,33 @@ Network.NetworkDataGridNode = class extends UI.SortableDataGridNode {
 
   /**
    * @override
+   * @return {boolean}
+   */
+  isGroup() {
+    return false;
+  }
+
+  /**
+   * @override
    * @return {!SDK.NetworkRequest}
    */
-  request() {
+  firstRequest() {

[dgozman, 2016/11/23 01:57:30]

Why firstRequest, and not a request?

[allada, 2016/11/23 22:39:14]

Done.

     return this._request;
   }
 
   /**
    * @override
+   * @return {!Array<!SDK.NetworkRequest>}
+   */
+  requests() {
+    return [this._request];
+  }
+
+  /**
+   * @override
    * @return {boolean}
    */
-  isNavigationRequest() {
+  hasNavigationRequest() {
     return this._isNavigationRequest;
   }
 
@@ -612,12 +628,22 @@ Network.NetworkLogEntry = function() {};
 
 Network.NetworkLogEntry.prototype = {
   /**
-   * @return {!SDK.NetworkRequest}
+   * @return {?SDK.NetworkRequest}
+   */
+  firstRequest() {},
+
+  /**
+   * @return {!Array<!SDK.NetworkRequest>}
+   */
+  requests() {},
+
+  /**
+   * @return {boolean}
    */
-  request() {},
+  hasNavigationRequest() {},
 
   /**
    * @return {boolean}
    */
-  isNavigationRequest() {}
+  isGroup() {}
 };