bug 930456: Enforce failure if search service is initialized from a child process. r=gavin

--HG--
extra : transplant_source : %1F%E46%1F%C7%F2%04%9B%EB%BF%FE%EB_%08%B3XN%F9%8B%29

toolkit/components/search/tests/xpcshell/head_search.js

@@ -22,6 +22,8 @@ const MODE_CREATE = FileUtils.MODE_CREATE;
 const MODE_TRUNCATE = FileUtils.MODE_TRUNCATE;
 
 // nsSearchService.js uses Services.appinfo.name to build a salt for a hash.
+var XULRuntime = Components.classesByID["{95d89e3e-a169-41a3-8e56-719978e15b12}"]
+                           .getService(Ci.nsIXULRuntime);
 var XULAppInfo = {
   vendor: "Mozilla",
   name: "XPCShell",
@@ -34,6 +36,8 @@ var XULAppInfo = {
   logConsoleErrors: true,
   OS: "XPCShell",
   XPCOMABI: "noarch-spidermonkey",
+  // mirror processType from the base implementation
+  processType: XULRuntime.processType,
 
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIXULAppInfo, Ci.nsIXULRuntime,
                                          Ci.nsISupports])
@@ -47,13 +51,18 @@ var XULAppInfoFactory = {
   }
 };
 
+var isChild = XULRuntime.processType == XULRuntime.PROCESS_TYPE_CONTENT;
+
 Components.manager.QueryInterface(Ci.nsIComponentRegistrar)
           .registerFactory(Components.ID("{ecff8849-cee8-40a7-bd4a-3f4fdfeddb5c}"),
                            "XULAppInfo", "@mozilla.org/xre/app-info;1",
                            XULAppInfoFactory);
 
-// Need to create and register a profile folder.
-var gProfD = do_get_profile();
+var gProfD;
+if (!isChild) {
+  // Need to create and register a profile folder.
+  gProfD = do_get_profile();
+}
 
 function dumpn(text)
 {
@@ -202,15 +211,19 @@ function isSubObjectOf(expectedObj, actualObj) {
   }
 }
 
-// Expand the amount of information available in error logs
-Services.prefs.setBoolPref("browser.search.log", true);
+// Can't set prefs if we're running in a child process, but the search  service
+// doesn't run in child processes anyways.
+if (!isChild) {
+  // Expand the amount of information available in error logs
+  Services.prefs.setBoolPref("browser.search.log", true);
 
-// The geo-specific search tests assume certain prefs are already setup, which
-// might not be true when run in comm-central etc.  So create them here.
-Services.prefs.setBoolPref("browser.search.geoSpecificDefaults", true);
-Services.prefs.setIntPref("browser.search.geoip.timeout", 2000);
-// But still disable geoip lookups - tests that need it will re-configure this.
-Services.prefs.setCharPref("browser.search.geoip.url", "");
+  // The geo-specific search tests assume certain prefs are already setup, which
+  // might not be true when run in comm-central etc.  So create them here.
+  Services.prefs.setBoolPref("browser.search.geoSpecificDefaults", true);
+  Services.prefs.setIntPref("browser.search.geoip.timeout", 2000);
+  // But still disable geoip lookups - tests that need it will re-configure this.
+  Services.prefs.setCharPref("browser.search.geoip.url", "");
+}
 
 /**
  * After useHttpServer() is called, this string contains the URL of the "data"

toolkit/components/search/tests/xpcshell/test_bug930456.js

@@ -0,0 +1,11 @@
+/* Any copyright is dedicated to the Public Domain.
+ *    http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test()
+{
+  if (isChild) {
+    do_check_false("@mozilla.org/browser/search-service;1" in Cc);
+  } else {
+    do_check_true("@mozilla.org/browser/search-service;1" in Cc);
+  }
+}

toolkit/components/search/tests/xpcshell/test_bug930456_child.js

@@ -0,0 +1,3 @@
+function run_test() {
+  run_test_in_child("test_bug930456.js");
+}

toolkit/components/search/tests/xpcshell/xpcshell.ini

@@ -23,6 +23,8 @@ support-files =
 
 [test_nocache.js]
 [test_645970.js]
+[test_bug930456.js]
+[test_bug930456_child.js]
 [test_identifiers.js]
 [test_invalid_engine_from_dir.js]
 [test_init_async_multiple.js]

toolkit/components/search/toolkitsearch.manifest

@@ -1,5 +1,5 @@
-component {7319788a-fe93-4db3-9f39-818cf08f4256} nsSearchService.js
-contract @mozilla.org/browser/search-service;1 {7319788a-fe93-4db3-9f39-818cf08f4256}
+component {7319788a-fe93-4db3-9f39-818cf08f4256} nsSearchService.js process=main
+contract @mozilla.org/browser/search-service;1 {7319788a-fe93-4db3-9f39-818cf08f4256} process=main
 # 21600 == 6 hours
 category update-timer nsSearchService @mozilla.org/browser/search-service;1,getService,search-engine-update-timer,browser.search.update.interval,21600
 component {aa892eb4-ffbf-477d-9f9a-06c995ae9f27} nsSearchSuggestions.js