diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_chrome-create.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_chrome-create.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that a chrome debugger can be created in a new process.
+ */
+
+let gProcess;
+
+function test() {
+  // Windows XP and 8.1 test slaves are terribly slow at this test.
+  requestLongerTimeout(5);
+
+  initChromeDebugger(aOnClose).then(aProcess => {
+    gProcess = aProcess;
+
+    info("Starting test...");
+    performTest();
+  });
+}
+
+function performTest() {
+  ok(gProcess._dbgProcess,
+    "The remote debugger process wasn't created properly!");
+  ok(gProcess._dbgProcess.isRunning,
+    "The remote debugger process isn't running!");
+  is(typeof gProcess._dbgProcess.pid, "number",
+    "The remote debugger process doesn't have a pid (?!)");
+
+  info("process location: " + gProcess._dbgProcess.location);
+  info("process pid: " + gProcess._dbgProcess.pid);
+  info("process name: " + gProcess._dbgProcess.processName);
+  info("process sig: " + gProcess._dbgProcess.processSignature);
+
+  ok(gProcess._dbgProfile,
+    "The remote debugger profile wasn't created properly!");
+  ok(gProcess._dbgProfile.localDir,
+    "The remote debugger profile doesn't have a localDir...");
+  ok(gProcess._dbgProfile.rootDir,
+    "The remote debugger profile doesn't have a rootDir...");
+  ok(gProcess._dbgProfile.name,
+    "The remote debugger profile doesn't have a name...");
+
+  info("profile localDir: " + gProcess._dbgProfile.localDir.path);
+  info("profile rootDir: " + gProcess._dbgProfile.rootDir.path);
+  info("profile name: " + gProcess._dbgProfile.name);
+
+  let profileService = Cc["@mozilla.org/toolkit/profile-service;1"]
+    .createInstance(Ci.nsIToolkitProfileService);
+
+  let profile = profileService.getProfileByName(gProcess._dbgProfile.name);
+
+  ok(profile,
+    "The remote debugger profile wasn't *actually* created properly!");
+  is(profile.localDir.path, gProcess._dbgProfile.localDir.path,
+    "The remote debugger profile doesn't have the correct localDir!");
+  is(profile.rootDir.path, gProcess._dbgProfile.rootDir.path,
+    "The remote debugger profile doesn't have the correct rootDir!");
+
+  gProcess.close();
+}
+
+function aOnClose() {
+  ok(!gProcess._dbgProcess.isRunning,
+    "The remote debugger process isn't closed as it should be!");
+  is(gProcess._dbgProcess.exitValue, (Services.appinfo.OS == "WINNT" ? 0 : 256),
+    "The remote debugger process didn't die cleanly.");
+
+  info("process exit value: " + gProcess._dbgProcess.exitValue);
+
+  info("profile localDir: " + gProcess._dbgProfile.localDir.path);
+  info("profile rootDir: " + gProcess._dbgProfile.rootDir.path);
+  info("profile name: " + gProcess._dbgProfile.name);
+
+  finish();
+}
+
+registerCleanupFunction(function() {
+  gProcess = null;
+});