1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/startup/aboutdevtools/AboutDevToolsRegistration.jsm b/devtools/startup/aboutdevtools/AboutDevToolsRegistration.jsm
new file mode 100644
index 0000000000..f3ae2ea4a9
--- /dev/null
+++ b/devtools/startup/aboutdevtools/AboutDevToolsRegistration.jsm
@@ -0,0 +1,40 @@
+/* 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";
+
+// Register the about:devtools URL, that is opened whenever a user attempts to open
+// DevTools for the first time.
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+const { nsIAboutModule } = Ci;
+
+function AboutDevtools() {}
+
+AboutDevtools.prototype = {
+  uri: Services.io.newURI(
+    "chrome://devtools-startup/content/aboutdevtools/aboutdevtools.xhtml"
+  ),
+  classDescription: "about:devtools",
+  classID: Components.ID("3a16d383-92bd-4c24-ac10-0e2bd66883ab"),
+  contractID: "@mozilla.org/network/protocol/about;1?what=devtools",
+
+  QueryInterface: ChromeUtils.generateQI([nsIAboutModule]),
+
+  newChannel: function(uri, loadInfo) {
+    const chan = Services.io.newChannelFromURIWithLoadInfo(this.uri, loadInfo);
+    chan.owner = Services.scriptSecurityManager.getSystemPrincipal();
+    return chan;
+  },
+
+  getURIFlags: function(uri) {
+    return nsIAboutModule.ALLOW_SCRIPT;
+  },
+
+  getChromeURI: function(_uri) {
+    return this.uri;
+  },
+};
+
+var EXPORTED_SYMBOLS = ["AboutDevtools"];