Revert of [DevTools] Consolidate overlay-related functionality in Overlay domain

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

Index: third_party/WebKit/Source/devtools/front_end/main/OverlayController.js
diff --git a/third_party/WebKit/Source/devtools/front_end/main/OverlayController.js b/third_party/WebKit/Source/devtools/front_end/main/OverlayController.js
new file mode 100644
index 0000000000000000000000000000000000000000..e6800cef0ad6b286bec3dfd691eff010347722f4
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/front_end/main/OverlayController.js
@@ -0,0 +1,43 @@
+// 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);
+  }
+};