[DevTools] Move network throttling to network panel.

Source/devtools/front_end/main/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.AppProvider",
             "condition": "can_dock",
             "className": "WebInspector.AdvancedAppProvider",
             "order": 0
         },
         {
             "type": "@WebInspector.AppProvider",
@@ skipping 190 matching lines @@
         {
             "type": "setting",
             "category": "",
             "title": "Disable cache (while DevTools is open)",
             "settingName": "cacheDisabled",
             "settingType": "boolean",
             "defaultValue": false
         },
         {
             "type": "setting",
+            "settingName": "networkConditions",
+            "settingType": "object",
+            "defaultValue": { "throughput": -1, "latency": 0 }
+        },
+        {
+            "type": "setting",
             "category": "",
             "title": "Disable JavaScript",
             "settingName": "javaScriptDisabled",
             "settingType": "boolean",
             "defaultValue": false
         },
         {
             "type": "setting",
             "category": "Appearance",
             "title": "Split panels vertically when docked to right",
@@ skipping 86 matching lines @@
         "Tests.js",
         "OverlayController.js",
         "Main.js"
     ],
     "skip_compilation": [
         "Tests.js"
     ],
     "resources": [
     ]
 }