DevTools: [Bindings] add resources to every frame.

third_party/WebKit/Source/devtools/front_end/bindings/NetworkProject.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
     target[Bindings.NetworkProject._networkProjectSymbol] = this;
 
     this._eventListeners = [];
 
     if (resourceTreeModel) {
       this._eventListeners.push(
           resourceTreeModel.addEventListener(SDK.ResourceTreeModel.Events.ResourceAdded, this._resourceAdded, this),
           resourceTreeModel.addEventListener(
               SDK.ResourceTreeModel.Events.FrameWillNavigate, this._frameWillNavigate, this),
           resourceTreeModel.addEventListener(
-              SDK.ResourceTreeModel.Events.MainFrameNavigated, this._mainFrameNavigated, this));
+              SDK.ResourceTreeModel.Events.MainFrameNavigated, this._mainFrameNavigated, this),
+          resourceTreeModel.addEventListener(SDK.ResourceTreeModel.Events.FrameDetached, this._frameDetached, this));
     }
 
     var debuggerModel = SDK.DebuggerModel.fromTarget(target);
     if (debuggerModel) {
       this._eventListeners.push(
           debuggerModel.addEventListener(SDK.DebuggerModel.Events.ParsedScriptSource, this._parsedScriptSource, this),
           debuggerModel.addEventListener(
               SDK.DebuggerModel.Events.FailedToParseScriptSource, this._parsedScriptSource, this));
     }
     var cssModel = target.model(SDK.CSSModel);
@@ skipping 209 matching lines @@
 
     // Ignore non-images and non-fonts.
     if (resourceType === Common.resourceTypes.Image && resource.mimeType && !resource.mimeType.startsWith('image'))
       return;
     if (resourceType === Common.resourceTypes.Font && resource.mimeType && !resource.mimeType.includes('font'))
       return;
     if ((resourceType === Common.resourceTypes.Image || resourceType === Common.resourceTypes.Font) &&
         resource.contentURL().startsWith('data:'))
       return;
 
+    var frame = SDK.ResourceTreeFrame.fromResource(resource);
     // Never load document twice.
-    if (this._workspace.uiSourceCodeForURL(resource.url))
+    var projectId = Bindings.NetworkProject.projectId(this.target(), frame, false);
+    var project = this._workspaceProjects.get(projectId);
+    if (project && project.uiSourceCodeForURL(resource.url))
       return;
 
-    var uiSourceCode = this._createFile(resource, SDK.ResourceTreeFrame.fromResource(resource), false);
+    var uiSourceCode = this._createFile(resource, frame, false);
     uiSourceCode[Bindings.NetworkProject._resourceSymbol] = resource;
     this._addUISourceCodeWithProvider(uiSourceCode, resource, this._resourceMetadata(resource));
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!SDK.ResourceTreeFrame} frame
    */
-  _frameWillNavigate(event) {
-    var frame = /** @type {!SDK.ResourceTreeFrame} */ (event.data);
+  _removeFrameResources(frame) {
     var project = this._workspaceProject(frame, false);
     for (var resource of frame.resources())
       project.removeUISourceCode(resource.url);
     project = this._workspaceProject(frame, true);
     for (var resource of frame.resources())
       project.removeUISourceCode(resource.url);
   }
 
   /**
    * @param {!Common.Event} event
    */
+  _frameWillNavigate(event) {
+    var frame = /** @type {!SDK.ResourceTreeFrame} */ (event.data);
+    this._removeFrameResources(frame);
+  }
+
+  /**
+   * @param {!Common.Event} event
+   */
+  _frameDetached(event) {
+    var frame = /** @type {!SDK.ResourceTreeFrame} */ (event.data);
+    this._removeFrameResources(frame);
+  }
+
+  /**
+   * @param {!Common.Event} event
+   */
   _mainFrameNavigated(event) {
     this._reset();

[lushnikov, 2017/03/07 19:36:45]

the "reset" is still needed since this is where we clean up scripts

-    this._populate();
   }
 
   _suspendStateChanged() {
     if (this.target().targetManager().allTargetsSuspended())
       this._reset();
     else
       this._populate();
   }
 
   /**
@@ skipping 56 matching lines @@
     return workspace.uiSourceCode(Bindings.NetworkProject.projectId(header.target(), frame, false), url);
   }
 };
 
 Bindings.NetworkProject._networkProjectSymbol = Symbol('networkProject');
 Bindings.NetworkProject._resourceSymbol = Symbol('resource');
 Bindings.NetworkProject._scriptSymbol = Symbol('script');
 Bindings.NetworkProject._styleSheetSymbol = Symbol('styleSheet');
 Bindings.NetworkProject._targetSymbol = Symbol('target');
 Bindings.NetworkProject._frameSymbol = Symbol('frame');