DevTools: NetworkPanel: add filter for running requests.

Source/devtools/front_end/network/NetworkPanel.js

Index: Source/devtools/front_end/network/NetworkPanel.js
diff --git a/Source/devtools/front_end/network/NetworkPanel.js b/Source/devtools/front_end/network/NetworkPanel.js
index b6b04d4984929af2e78cf9d5659ce80635dc8429..45b841021f9f8333c42f7d3ef1947b991f941659 100644
--- a/Source/devtools/front_end/network/NetworkPanel.js
+++ b/Source/devtools/front_end/network/NetworkPanel.js
@@ -99,6 +99,7 @@ WebInspector.NetworkLogView._defaultRefreshDelay = 500;
 WebInspector.NetworkLogView.FilterType = {
     Domain: "Domain",
     HasResponseHeader: "HasResponseHeader",
+    Is: "Is",
     Method: "Method",
     MimeType: "MimeType",
     Scheme: "Scheme",
@@ -108,6 +109,11 @@ WebInspector.NetworkLogView.FilterType = {
     StatusCode: "StatusCode"
 };
 
+/** @enum {string} */
+WebInspector.NetworkLogView.IsFilterType = {
+    Running: "running"
+};
+
 /** @type {!Array.<string>} */
 WebInspector.NetworkLogView._searchKeys = Object.values(WebInspector.NetworkLogView.FilterType);
 
@@ -188,6 +194,7 @@ WebInspector.NetworkLogView.prototype = {
     _resetSuggestionBuilder: function()
     {
         this._suggestionBuilder = new WebInspector.FilterSuggestionBuilder(WebInspector.NetworkLogView._searchKeys);
+        this._suggestionBuilder.addItem(WebInspector.NetworkLogView.FilterType.Is, WebInspector.NetworkLogView.IsFilterType.Running);
         this._textFilterUI.setSuggestionBuilder(this._suggestionBuilder);
     },
 
@@ -1491,6 +1498,11 @@ WebInspector.NetworkLogView.prototype = {
         case WebInspector.NetworkLogView.FilterType.HasResponseHeader:
             return WebInspector.NetworkLogView._requestResponseHeaderFilter.bind(null, value);
 
+        case WebInspector.NetworkLogView.FilterType.Is:
+            if (value.toLowerCase() === WebInspector.NetworkLogView.IsFilterType.Running)
+                return WebInspector.NetworkLogView._runningRequestFilter;
+            break;
+
         case WebInspector.NetworkLogView.FilterType.Method:
             return WebInspector.NetworkLogView._requestMethodFilter.bind(null, value);
 
@@ -1701,6 +1713,15 @@ WebInspector.NetworkLogView._requestDomainFilter = function(value, request)
 }
 
 /**
+ * @param {!WebInspector.NetworkRequest} request
+ * @return {boolean}
+ */
+WebInspector.NetworkLogView._runningRequestFilter = function(request)
+{
+    return !request.finished;
+}
+
+/**
  * @param {string} value
  * @param {!WebInspector.NetworkRequest} request
  * @return {boolean}