Bug 1512454 - Register about:debugging-new for Nightly builds;r=ladybenko,Ola

Differential Revision: https://phabricator.services.mozilla.com/D13923

--HG--
extra : moz-landing-system : lando

browser/components/contextualidentity/test/browser/browser_aboutURLs.js

@@ -18,6 +18,7 @@ add_task(async function() {
     "downloads",
     // about:debugging requires specific wait code for internal pending RDP requests.
     "debugging",
+    "debugging-new",
   ];
 
   for (let cid in Cc) {

browser/installer/package-manifest.in

@@ -184,6 +184,10 @@
 @RESPATH@/browser/components/devtools-startup.js
 @RESPATH@/browser/components/aboutdebugging-registration.js
 @RESPATH@/browser/components/aboutdebugging.manifest
+#ifdef NIGHTLY_BUILD
+@RESPATH@/browser/components/aboutdebugging-new-registration.js
+@RESPATH@/browser/components/aboutdebugging-new.manifest
+#endif
 @RESPATH@/browser/components/aboutdevtools-registration.js
 @RESPATH@/browser/components/aboutdevtools.manifest
 @RESPATH@/browser/components/aboutdevtoolstoolbox-registration.js

devtools/startup/aboutdebugging-new-registration.js

@@ -0,0 +1,43 @@
+/* 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";
+
+// This component is only registered and packaged for local and nightly builds in order to
+// open the new about:debugging when going to about:debugging-new, without having to flip
+// the preference. This allows running both versions of about:debugging side by side to
+// compare them.
+const { XPCOMUtils } = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm", {});
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm", {});
+
+const { nsIAboutModule } = Ci;
+
+function AboutDebuggingNew() {}
+
+AboutDebuggingNew.prototype = {
+  classDescription: "about:debugging-new",
+  classID: Components.ID("610e4e26-26bd-4a7d-aebc-69211d5a3be0"),
+  contractID: "@mozilla.org/network/protocol/about;1?what=debugging-new",
+
+  QueryInterface: ChromeUtils.generateQI([nsIAboutModule]),
+
+  newChannel: function(_, loadInfo) {
+    const uri = "chrome://devtools/content/aboutdebugging-new/index.html";
+
+    const chan = Services.io.newChannelFromURIWithLoadInfo(
+      Services.io.newURI(uri),
+      loadInfo
+    );
+    chan.owner = Services.scriptSecurityManager.getSystemPrincipal();
+    return chan;
+  },
+
+  getURIFlags: function(uri) {
+    return nsIAboutModule.ALLOW_SCRIPT;
+  },
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([
+  AboutDebuggingNew,
+]);

devtools/startup/aboutdebugging-new.manifest

@@ -0,0 +1,2 @@
+component {610e4e26-26bd-4a7d-aebc-69211d5a3be0} aboutdebugging-new-registration.js
+contract @mozilla.org/network/protocol/about;1?what=debugging-new {610e4e26-26bd-4a7d-aebc-69211d5a3be0}

devtools/startup/moz.build

@@ -26,6 +26,12 @@ if CONFIG['MOZ_DEVTOOLS'] == 'all':
       'locales',
     ]
 
+if CONFIG['NIGHTLY_BUILD']:
+    EXTRA_COMPONENTS += [
+        'aboutdebugging-new-registration.js',
+        'aboutdebugging-new.manifest',
+    ]
+
 XPCSHELL_TESTS_MANIFESTS += ['tests/unit/xpcshell.ini']
 
 if CONFIG['MOZ_BUILD_APP'] != 'mobile/android':