1 files changed, 0 insertions, 290 deletions
diff --git a/dom/browser-element/BrowserElementChildPreload.js b/dom/browser-element/BrowserElementChildPreload.js
deleted file mode 100644
index 1bbcf9ff05..0000000000
--- a/dom/browser-element/BrowserElementChildPreload.js
+++ /dev/null
@@ -1,290 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-/* eslint-env mozilla/frame-script */
-
-function debug(msg) {
-  // dump("BrowserElementChildPreload - " + msg + "\n");
-}
-
-debug("loaded");
-
-var BrowserElementIsReady;
-
-var { BrowserElementPromptService } = ChromeUtils.import(
-  "resource://gre/modules/BrowserElementPromptService.jsm"
-);
-
-function sendAsyncMsg(msg, data) {
-  // Ensure that we don't send any messages before BrowserElementChild.js
-  // finishes loading.
-  if (!BrowserElementIsReady) {
-    return;
-  }
-
-  if (!data) {
-    data = {};
-  }
-
-  data.msg_name = msg;
-  sendAsyncMessage("browser-element-api:call", data);
-}
-
-var LISTENED_EVENTS = [
-  // This listens to unload events from our message manager, but /not/ from
-  // the |content| window.  That's because the window's unload event doesn't
-  // bubble, and we're not using a capturing listener.  If we'd used
-  // useCapture == true, we /would/ hear unload events from the window, which
-  // is not what we want!
-  { type: "unload", useCapture: false, wantsUntrusted: false },
-];
-
-/**
- * The BrowserElementChild implements one half of <iframe mozbrowser>.
- * (The other half is, unsurprisingly, BrowserElementParent.)
- *
- * This script is injected into an <iframe mozbrowser> via
- * nsIMessageManager::LoadFrameScript().
- *
- * Our job here is to listen for events within this frame and bubble them up to
- * the parent process.
- */
-
-var global = this;
-
-function BrowserElementChild() {
-  // Maps outer window id --> weak ref to window.  Used by modal dialog code.
-  this._windowIDDict = {};
-
-  this._init();
-}
-
-BrowserElementChild.prototype = {
-  _init() {
-    debug("Starting up.");
-
-    BrowserElementPromptService.mapWindowToBrowserElementChild(content, this);
-
-    this._shuttingDown = false;
-
-    LISTENED_EVENTS.forEach(event => {
-      addEventListener(
-        event.type,
-        this,
-        event.useCapture,
-        event.wantsUntrusted
-      );
-    });
-
-    addMessageListener("browser-element-api:call", this);
-  },
-
-  /**
-   * Shut down the frame's side of the browser API.  This is called when:
-   *   - our BrowserChildGlobal starts to die
-   *   - the content is moved to frame without the browser API
-   * This is not called when the page inside |content| unloads.
-   */
-  destroy() {
-    debug("Destroying");
-    this._shuttingDown = true;
-
-    BrowserElementPromptService.unmapWindowToBrowserElementChild(content);
-
-    LISTENED_EVENTS.forEach(event => {
-      removeEventListener(
-        event.type,
-        this,
-        event.useCapture,
-        event.wantsUntrusted
-      );
-    });
-
-    removeMessageListener("browser-element-api:call", this);
-  },
-
-  handleEvent(event) {
-    switch (event.type) {
-      case "unload":
-        this.destroy(event);
-        break;
-    }
-  },
-
-  receiveMessage(message) {
-    let self = this;
-
-    let mmCalls = {
-      "unblock-modal-prompt": this._recvStopWaiting,
-    };
-
-    if (message.data.msg_name in mmCalls) {
-      return mmCalls[message.data.msg_name].apply(self, arguments);
-    }
-    return undefined;
-  },
-
-  get _windowUtils() {
-    return content.document.defaultView.windowUtils;
-  },
-
-  _tryGetInnerWindowID(win) {
-    try {
-      return win.windowGlobalChild.innerWindowId;
-    } catch (e) {
-      return null;
-    }
-  },
-
-  /**
-   * Show a modal prompt.  Called by BrowserElementPromptService.
-   */
-  showModalPrompt(win, args) {
-    args.windowID = {
-      outer: win.docShell.outerWindowID,
-      inner: this._tryGetInnerWindowID(win),
-    };
-    sendAsyncMsg("showmodalprompt", args);
-
-    let returnValue = this._waitForResult(win);
-
-    if (
-      args.promptType == "prompt" ||
-      args.promptType == "confirm" ||
-      args.promptType == "custom-prompt"
-    ) {
-      return returnValue;
-    }
-    return undefined;
-  },
-
-  /**
-   * Spin in a nested event loop until we receive a unblock-modal-prompt message for
-   * this window.
-   */
-  _waitForResult(win) {
-    debug("_waitForResult(" + win + ")");
-    let utils = win.windowUtils;
-
-    let outerWindowID = win.docShell.outerWindowID;
-    let innerWindowID = this._tryGetInnerWindowID(win);
-    if (innerWindowID === null) {
-      // I have no idea what waiting for a result means when there's no inner
-      // window, so let's just bail.
-      debug("_waitForResult: No inner window. Bailing.");
-      return undefined;
-    }
-
-    this._windowIDDict[outerWindowID] = Cu.getWeakReference(win);
-
-    debug(
-      "Entering modal state (outerWindowID=" +
-        outerWindowID +
-        ", " +
-        "innerWindowID=" +
-        innerWindowID +
-        ")"
-    );
-
-    utils.enterModalState();
-
-    // We'll decrement win.modalDepth when we receive a unblock-modal-prompt message
-    // for the window.
-    if (!win.modalDepth) {
-      win.modalDepth = 0;
-    }
-    win.modalDepth++;
-    let origModalDepth = win.modalDepth;
-
-    debug("Nested event loop - begin");
-    Services.tm.spinEventLoopUntil(
-      "BrowserElementChildPreload.js:_waitForResult",
-      () => {
-        // Bail out of the loop if the inner window changed; that means the
-        // window navigated.  Bail out when we're shutting down because otherwise
-        // we'll leak our window.
-        if (this._tryGetInnerWindowID(win) !== innerWindowID) {
-          debug(
-            "_waitForResult: Inner window ID changed " +
-              "while in nested event loop."
-          );
-          return true;
-        }
-
-        return win.modalDepth !== origModalDepth || this._shuttingDown;
-      }
-    );
-    debug("Nested event loop - finish");
-
-    if (win.modalDepth == 0) {
-      delete this._windowIDDict[outerWindowID];
-    }
-
-    // If we exited the loop because the inner window changed, then bail on the
-    // modal prompt.
-    if (innerWindowID !== this._tryGetInnerWindowID(win)) {
-      throw Components.Exception(
-        "Modal state aborted by navigation",
-        Cr.NS_ERROR_NOT_AVAILABLE
-      );
-    }
-
-    let returnValue = win.modalReturnValue;
-    delete win.modalReturnValue;
-
-    if (!this._shuttingDown) {
-      utils.leaveModalState();
-    }
-
-    debug(
-      "Leaving modal state (outerID=" +
-        outerWindowID +
-        ", " +
-        "innerID=" +
-        innerWindowID +
-        ")"
-    );
-    return returnValue;
-  },
-
-  _recvStopWaiting(msg) {
-    let outerID = msg.json.windowID.outer;
-    let innerID = msg.json.windowID.inner;
-    let returnValue = msg.json.returnValue;
-    debug(
-      "recvStopWaiting(outer=" +
-        outerID +
-        ", inner=" +
-        innerID +
-        ", returnValue=" +
-        returnValue +
-        ")"
-    );
-
-    if (!this._windowIDDict[outerID]) {
-      debug("recvStopWaiting: No record of outer window ID " + outerID);
-      return;
-    }
-
-    let win = this._windowIDDict[outerID].get();
-
-    if (!win) {
-      debug("recvStopWaiting, but window is gone\n");
-      return;
-    }
-
-    if (innerID !== this._tryGetInnerWindowID(win)) {
-      debug("recvStopWaiting, but inner ID has changed\n");
-      return;
-    }
-
-    debug("recvStopWaiting " + win);
-    win.modalReturnValue = returnValue;
-    win.modalDepth--;
-  },
-};
-
-var api = new BrowserElementChild();