[Devtools] Added Enable/Disable for request blocking in network

third_party/WebKit/Source/devtools/front_end/network/module.json

 {
     "extensions": [
         {
             "type": "view",
             "location": "panel",
             "id": "network",
             "title": "Network",
             "order": 40,
             "className": "Network.NetworkPanel"
         },
@@ skipping 26 matching lines @@
                     "value": true,
                     "title": "Color code by resource type"
                 },
                 {
                     "value": false,
                     "title": "Use default colors"
                 }
             ]
         },
         {
+            "type": "setting",
+            "category": "Network",
+            "title": "Enables request blocking",
+            "settingName": "requestBlockingEnabled",
+            "settingType": "boolean",
+            "storageType": "session",
+            "defaultValue": false,
+            "options": [
+                {
+                    "value": true,
+                    "title": "Block matched requests from being sent"

[pfeldman, 2017/03/07 02:37:56]

I'd just say "Enable request blocking" as you did above (and would drop it from
there).

[allada, 2017/03/07 21:54:04]

Done.

+                },
+                {
+                    "value": false,
+                    "title": "Do not block requests"
+                }
+            ]
+        },
+        {
             "type": "@UI.ActionDelegate",
             "actionId": "network.blocked-urls.show",
             "className": "Network.BlockedURLsPane.ActionDelegate",
             "iconClass": "largeicon-block",
             "title": "Block network requests"
         },
         {
             "type": "@UI.ActionDelegate",
             "actionId": "network.toggle-recording",
             "iconClass": "largeicon-start-recording",
@@ skipping 90 matching lines @@
         "networkTimingTable.css",
         "networkWaterfallColumn.css",
         "requestCookiesView.css",
         "requestHeadersTree.css",
         "requestHeadersView.css",
         "webSocketFrameView.css",
         "xmlTree.css",
         "xmlView.css"
     ]
 }