[DevTools] Consolidate overlay-related functionality in Overlay domain

third_party/WebKit/Source/devtools/front_end/main/OverlayController.js

-// Copyright 2015 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.
-/**
- * @unrestricted
- */
-Main.OverlayController = class {
-  constructor() {
-    Common.moduleSetting('disablePausedStateOverlay').addChangeListener(this._updateAllOverlays, this);
-    SDK.targetManager.addModelListener(
-        SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerPaused, this._updateOverlay, this);
-    SDK.targetManager.addModelListener(
-        SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerResumed, this._updateOverlay, this);
-    // TODO(dgozman): we should get DebuggerResumed on navigations instead of listening to GlobalObjectCleared.
-    SDK.targetManager.addModelListener(
-        SDK.DebuggerModel, SDK.DebuggerModel.Events.GlobalObjectCleared, this._updateOverlay, this);
-    SDK.targetManager.addEventListener(SDK.TargetManager.Events.SuspendStateChanged, this._updateAllOverlays, this);
-  }
-
-  _updateAllOverlays() {
-    for (var debuggerModel of SDK.targetManager.models(SDK.DebuggerModel))
-      this._updateTargetOverlay(debuggerModel);
-  }
-
-  /**
-   * @param {!Common.Event} event
-   */
-  _updateOverlay(event) {
-    this._updateTargetOverlay(/** @type {!SDK.DebuggerModel} */ (event.data));
-  }
-
-  /**
-   * @param {!SDK.DebuggerModel} debuggerModel
-   */
-  _updateTargetOverlay(debuggerModel) {
-    if (!debuggerModel.target().hasBrowserCapability())
-      return;
-    var message = debuggerModel.isPaused() && !Common.moduleSetting('disablePausedStateOverlay').get() ?
-        Common.UIString('Paused in debugger') :
-        undefined;
-    debuggerModel.target().pageAgent().configureOverlay(SDK.targetManager.allTargetsSuspended(), message);
-  }
-};