Global history introduced as a service and appropriate changes to

Appshell service and Factory

xpfe/appshell/src/nsAppShellService.cpp

@@ -31,6 +31,7 @@
 #include "nsIWidget.h"
 #include "nsIWebShellWindow.h"
 #include "nsWebShellWindow.h"
+#include "nsIGlobalHistory.h"
 
 /* For Javascript Namespace Access */
 #include "nsDOMCID.h"
@@ -48,6 +49,7 @@
 static NS_DEFINE_IID(kAppShellCID,          NS_APPSHELL_CID);
 static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
 static NS_DEFINE_IID(kCScriptNameSetRegistryCID, NS_SCRIPT_NAMESET_REGISTRY_CID);
+static NS_DEFINE_IID(kCGlobalHistoryCID, NS_GLOBALHISTORY_CID);
 
 /* Define Interface IDs */
 
@@ -57,7 +59,7 @@ static NS_DEFINE_IID(kIAppShellServiceIID,   NS_IAPPSHELL_SERVICE_IID);
 static NS_DEFINE_IID(kIAppShellIID,          NS_IAPPSHELL_IID);
 static NS_DEFINE_IID(kIWebShellWindowIID,    NS_IWEBSHELL_WINDOW_IID);
 static NS_DEFINE_IID(kIScriptNameSetRegistryIID, NS_ISCRIPTNAMESETREGISTRY_IID);
-
+static NS_DEFINE_IID(kIGlobalHistoryIID, NS_IGLOBALHISTORY_IID);
 
 
 class nsAppShellService : public nsIAppShellService
@@ -154,6 +156,16 @@ nsAppShellService::Initialize(void)
     goto done;
   }
 
+  // Initialise the global History
+  nsIGlobalHistory *  gHistory;
+  rv = nsServiceManager::GetService(kCGlobalHistoryCID,
+                                    kIGlobalHistoryIID,
+                                    (nsISupports **)&gHistory);
+  if (NS_FAILED(rv)) {
+    goto done;
+  }
+  gHistory->Init();
+
   // Create widget application shell
   rv = nsComponentManager::CreateInstance(kAppShellCID, nsnull, kIAppShellIID,
                                     (void**)&mAppShell);