[DevTools] Separate ScreenCaptureModel out of ResourceTreeModel.

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

 /*
  * Copyright (C) 2011 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 445 matching lines @@
   FrameResized: Symbol('FrameResized'),
   FrameWillNavigate: Symbol('FrameWillNavigate'),
   MainFrameNavigated: Symbol('MainFrameNavigated'),
   ResourceAdded: Symbol('ResourceAdded'),
   WillLoadCachedResources: Symbol('WillLoadCachedResources'),
   CachedResourcesLoaded: Symbol('CachedResourcesLoaded'),
   DOMContentLoaded: Symbol('DOMContentLoaded'),
   Load: Symbol('Load'),
   PageReloadRequested: Symbol('PageReloadRequested'),
   WillReloadPage: Symbol('WillReloadPage'),
-  ScreencastFrame: Symbol('ScreencastFrame'),
-  ScreencastVisibilityChanged: Symbol('ScreencastVisibilityChanged'),
   ColorPicked: Symbol('ColorPicked'),
   InterstitialShown: Symbol('InterstitialShown'),
   InterstitialHidden: Symbol('InterstitialHidden')
 };
 
 
 /**
  * @unrestricted
  */
 SDK.ResourceTreeFrame = class {
@@ skipping 261 matching lines @@
     return Common.UIString('<iframe>');
   }
 };
 
 
 /**
  * @implements {Protocol.PageDispatcher}
  * @unrestricted
  */
 SDK.PageDispatcher = class {
+  /**
+   * @param {!SDK.ResourceTreeModel} resourceTreeModel
+   */
   constructor(resourceTreeModel) {
     this._resourceTreeModel = resourceTreeModel;
   }
 
   /**
    * @override
    * @param {number} time
    */
   domContentEventFired(time) {
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.DOMContentLoaded, time);
@@ skipping 80 matching lines @@
   /**
    * @override
    * @param {boolean} result
    */
   javascriptDialogClosed(result) {
   }
 
   /**
    * @override
    * @param {string} data
-   * @param {!Protocol.Page.ScreencastFrameMetadata=} metadata
-   * @param {number=} sessionId
+   * @param {!Protocol.Page.ScreencastFrameMetadata} metadata
+   * @param {number} sessionId
    */
   screencastFrame(data, metadata, sessionId) {
-    this._resourceTreeModel._agent.screencastFrameAck(sessionId);
-    this._resourceTreeModel.dispatchEventToListeners(
-        SDK.ResourceTreeModel.Events.ScreencastFrame, {data: data, metadata: metadata});
   }
 
   /**
    * @override
    * @param {boolean} visible
    */
   screencastVisibilityChanged(visible) {
-    this._resourceTreeModel.dispatchEventToListeners(
-        SDK.ResourceTreeModel.Events.ScreencastVisibilityChanged, {visible: visible});
   }
 
   /**
    * @override
    * @param {!Protocol.DOM.RGBA} color
    */
   colorPicked(color) {
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.ColorPicked, color);
   }
 
@@ skipping 13 matching lines @@
     this._resourceTreeModel.dispatchEventToListeners(SDK.ResourceTreeModel.Events.InterstitialHidden);
   }
 
   /**
    * @override
    */
   navigationRequested() {
     // Frontend is not interested in when navigations are requested.
   }
 };