[Devtools] NetworkLogView now uses NetworkLog as source of truth.

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

Index: third_party/WebKit/Source/devtools/front_end/network/module.json
diff --git a/third_party/WebKit/Source/devtools/front_end/network/module.json b/third_party/WebKit/Source/devtools/front_end/network/module.json
index 3fdbc0694cda8d65961049406d05ac94b327da03..c9ac8bd7f02586d27d3402d5d61450a9d31ad102 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/module.json
+++ b/third_party/WebKit/Source/devtools/front_end/network/module.json
@@ -62,26 +62,6 @@
                 }
             ]
         },
-        {
-            "type": "setting",
-            "category": "Network",
-            "storageType": "session",
-            "title": "Preserve log",
-            "settingName": "network.preserve-log",
-            "settingType": "boolean",
-            "defaultValue": false,
-            "tags": "preserve, clear, reset",
-            "options": [
-                {
-                    "value": true,
-                    "title": "Do not preserve log on page reload / navigation"
-                },
-                {
-                    "value": false,
-                    "title": "Preserve log on page reload / navigation"
-                }
-            ]
-        },
         {
             "type": "@UI.ActionDelegate",
             "actionId": "network.toggle-recording",