Add filtering by priority in the Network filter area.

third_party/WebKit/Source/devtools/front_end/sdk/NetworkRequest.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 89 matching lines @@
    */
   indentityCompare(other) {
     if (this._requestId > other._requestId)
       return 1;
     if (this._requestId < other._requestId)
       return -1;
     return 0;
   }
 
   /**
+   * @return {!Map}
+   */
+  static GetSymbolicToNumericPriority() {

[allada, 2016/12/12 17:29:57]

NetworkRequest is part of the SDK module. Since this code is specific to network
module we do not want to put it in SDK since SDK is designed only to represent
backend data.

[Oleksii Kadurin, 2016/12/12 21:13:15]

I see. What do you think would it be a good approach if I make such a static
function in the NetworkDataGridNode.js file
(https://codereview.chromium.org/2562193002/patch/1/10004) and call it from
FilterSuggestionBuilder.js? 

[allada, 2016/12/12 23:51:08]

Lets just expose: Network.NetworkDataGridNode._symbolicToNumericPriority by
removing the _. (in the other file though)

+    var priorityMap = SDK.NetworkRequest._symbolicToNumericPriority;
+    if (!priorityMap) {
+      SDK.NetworkRequest._symbolicToNumericPriority = new Map();
+      priorityMap = SDK.NetworkRequest._symbolicToNumericPriority;
+      priorityMap.set(Protocol.Network.ResourcePriority.VeryLow, 1);
+      priorityMap.set(Protocol.Network.ResourcePriority.Low, 2);
+      priorityMap.set(Protocol.Network.ResourcePriority.Medium, 3);
+      priorityMap.set(Protocol.Network.ResourcePriority.High, 4);
+      priorityMap.set(Protocol.Network.ResourcePriority.VeryHigh, 5);
+    }
+
+    return priorityMap;
+  }
+
+  /**
    * @return {!Protocol.Network.RequestId}
    */
   get requestId() {
     return this._requestId;
   }
 
   /**
    * @param {!Protocol.Network.RequestId} requestId
    */
   set requestId(requestId) {
@@ skipping 1102 matching lines @@
 };
 
 /** @typedef {!{type: SDK.NetworkRequest.WebSocketFrameType, time: number, text: string, opCode: number, mask: boolean}} */
 SDK.NetworkRequest.WebSocketFrame;
 
 /** @typedef {!{time: number, eventName: string, eventId: string, data: string}} */
 SDK.NetworkRequest.EventSourceMessage;
 
 /** @typedef {!{initiators: !Set<!SDK.NetworkRequest>, initiated: !Set<!SDK.NetworkRequest>}} */
 SDK.NetworkRequest.InitiatorGraph;