[DevTools] Auto-attach to cross-process subframes under experiment.

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @extends {WebInspector.SDKModel}
  * @param {!WebInspector.Target} target
  */
 WebInspector.SubTargetsManager = function(target)
 {
     WebInspector.SDKModel.call(this, WebInspector.SubTargetsManager, target);
     target.registerTargetDispatcher(new WebInspector.SubTargetsDispatcher(this));
     this._lastAnonymousTargetId = 0;
     this._agent = target.targetAgent();
 
     /** @type {!Map<string, !WebInspector.Target>} */
     this._targets = new Map();
     /** @type {!Map<string, !WebInspector.SubTargetConnection>} */
     this._connections = new Map();
 
     this._agent.setWaitForDebuggerOnStart(true);
+    this._agent.setAttachToFrames(Runtime.experiments.isEnabled("autoAttachToCrossProcessSubframes"));
     this._agent.enable();
 }
 
 /** @enum {symbol} */
 WebInspector.SubTargetsManager.Events = {
     SubTargetAdded: Symbol("SubTargetAdded"),
     SubTargetRemoved: Symbol("SubTargetRemoved"),
 }
 
 WebInspector.SubTargetsManager._TypeSymbol = Symbol("SubTargetType");
@@ skipping 98 matching lines @@
     /**
      * @param {string} type
      * @return {number}
      */
     _capabilitiesForType: function(type)
     {
         if (type === "worker")
             return WebInspector.Target.Capability.JS | WebInspector.Target.Capability.Log;
         if (type === "service_worker")
             return WebInspector.Target.Capability.Log | WebInspector.Target.Capability.Network | WebInspector.Target.Capability.Worker;
+        if (type === "iframe")
+            return WebInspector.Target.Capability.Browser | WebInspector.Target.Capability.DOM |
+                WebInspector.Target.Capability.JS | WebInspector.Target.Capability.Log |
+                WebInspector.Target.Capability.Network | WebInspector.Target.Capability.Worker;
         return 0;
     },
 
     /**
      * @param {string} targetId
      * @param {string} type
      * @param {string} url
      * @param {boolean} waitingForDebugger
      */
     _targetCreated: function(targetId, type, url, waitingForDebugger)
     {
         var connection = new WebInspector.SubTargetConnection(this._agent, targetId);
         this._connections.set(targetId, connection);
 
-        var parsedURL = url.asParsedURL();
-        var targetName = parsedURL ? parsedURL.lastPathComponentWithFragment() : "#" + (++this._lastAnonymousTargetId);
+        var targetName = "";
+        if (type !== "iframe") {
+            var parsedURL = url.asParsedURL();
+            targetName = parsedURL ? parsedURL.lastPathComponentWithFragment() : "#" + (++this._lastAnonymousTargetId);
+        }
         var target = WebInspector.targetManager.createTarget(targetName, this._capabilitiesForType(type), connection, this.target());
         target[WebInspector.SubTargetsManager._TypeSymbol] = type;
         target[WebInspector.SubTargetsManager._IdSymbol] = targetId;
         this._targets.set(targetId, target);
 
         // Only pause new worker if debugging SW - we are going through the pause on start checkbox.
         var mainIsServiceWorker = !this.target().parentTarget() && this.target().hasWorkerCapability() && !this.target().hasBrowserCapability();
         if (mainIsServiceWorker && waitingForDebugger)
             target.debuggerAgent().pause();
         target.runtimeAgent().runIfWaitingForDebugger();
@@ skipping 104 matching lines @@
 }
 
 /**
  * @constructor
  * @param {!TargetAgent.TargetInfo} payload
  */
 WebInspector.TargetInfo = function(payload)
 {
     this.id = payload.targetId;
     this.url = payload.url;
-    if (payload.type !== "page" && payload.type !== "frame") {
+    if (payload.type !== "page" && payload.type !== "iframe") {
         this.title = WebInspector.UIString("Worker: %s", this.url);
         this.canActivate = false;
     } else {
         this.title = payload.title;
         this.canActivate = true;
     }
 }