[DevTools] No NetworkManager and NetworkLog for v8only mode

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

Index: third_party/WebKit/Source/devtools/front_end/sdk/NetworkLog.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/NetworkLog.js b/third_party/WebKit/Source/devtools/front_end/sdk/NetworkLog.js
index 7c0afd8307e6dc21e6597585369ab1fe4dc6c1d3..e7ab517c89fba77cea52daacace58a0d54ee082c 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/NetworkLog.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/NetworkLog.js
@@ -32,17 +32,31 @@
  * @constructor
  * @extends {WebInspector.SDKObject}
  * @param {!WebInspector.Target} target
+ * @param {!WebInspector.NetworkManager} networkManager
  */
-WebInspector.NetworkLog = function(target)
+WebInspector.NetworkLog = function(target, networkManager)
 {
     WebInspector.SDKObject.call(this, target);
 
     this._requests = [];
     this._requestForId = {};
-    target.networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestStarted, this._onRequestStarted, this);
+    networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestStarted, this._onRequestStarted, this);
     target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._onMainFrameNavigated, this);
     target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.Load, this._onLoad, this);
     target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.DOMContentLoaded, this._onDOMContentLoaded, this);
+    console.assert(!target[WebInspector.NetworkLog._symbol]);
+    target[WebInspector.NetworkLog._symbol] = this;
+}
+
+WebInspector.NetworkLog._symbol = Symbol("NetworkLog");
+
+/**
+ * @param {!WebInspector.Target} target
+ * @return {?WebInspector.NetworkLog}
+ */
+WebInspector.NetworkLog.fromTarget = function(target)
+{
+    return target[WebInspector.NetworkLog._symbol] || null;
 }
 
 /**
@@ -52,7 +66,8 @@ WebInspector.NetworkLog = function(target)
 WebInspector.NetworkLog.requestForURL = function(url)
 {
     for (var target of WebInspector.targetManager.targets()) {
-        var result = target.networkLog.requestForURL(url);
+        var networkLog = WebInspector.NetworkLog.fromTarget(target);
+        var result = networkLog && networkLog.requestForURL(url);
         if (result)
             return result;
     }
@@ -66,7 +81,9 @@ WebInspector.NetworkLog.requests = function()
 {
     var result = [];
     for (var target of WebInspector.targetManager.targets()) {
-        result = result.concat(target.networkLog.requests());
+        var networkLog = WebInspector.NetworkLog.fromTarget(target);
+        if (networkLog)
+            result = result.concat(networkLog.requests());
     }
     return result;
 }