diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
index 574f08577f6..be8bbfd299e 100644
--- a/docshell/base/nsDocShell.h
+++ b/docshell/base/nsDocShell.h
@@ -182,7 +182,6 @@ public:
     NS_DECL_NSIWEBPAGEDESCRIPTOR
     NS_DECL_NSIAUTHPROMPTPROVIDER
     NS_DECL_NSIOBSERVER
-    NS_DECL_NSILOADCONTEXT
     NS_DECL_NSICLIPBOARDCOMMANDS
     NS_DECL_NSIWEBSHELLSERVICES
 
@@ -221,6 +220,15 @@ public:
     // nsIScriptGlobalObjectOwner methods
     virtual nsIScriptGlobalObject* GetScriptGlobalObject();
 
+    // Don't use NS_DECL_NSILOADCONTEXT because some of nsILoadContext's methods
+    // are shared with nsIDocShell (appID, etc.) and can't be declared twice.
+    NS_IMETHOD GetAssociatedWindow(nsIDOMWindow**);
+    NS_IMETHOD GetTopWindow(nsIDOMWindow**);
+    NS_IMETHOD IsAppOfType(PRUint32, bool*);
+    NS_IMETHOD GetIsContent(bool*);
+    NS_IMETHOD GetUsePrivateBrowsing(bool*);
+    NS_IMETHOD SetUsePrivateBrowsing(bool);
+
     // Restores a cached presentation from history (mLSHE).
     // This method swaps out the content viewer and simulates loads for
     // subframes.  It then simulates the completion of the toplevel load.
diff --git a/docshell/base/nsILoadContext.idl b/docshell/base/nsILoadContext.idl
index 38ad0337c96..4d0edf2aa03 100644
--- a/docshell/base/nsILoadContext.idl
+++ b/docshell/base/nsILoadContext.idl
@@ -66,4 +66,16 @@ interface nsILoadContext : nsISupports
     return usingPB;
   }
 %}
+
+  /**
+   * Returns true iif the load is occurring inside a browser element.
+   */
+  readonly attribute boolean isInBrowserElement;
+
+  /**
+   * Returns the app id of the app the load is occurring is in. Returns
+   * nsIScriptSecurityManager::NO_APP_ID if the load is not part of an app.
+   */
+  readonly attribute unsigned long appId;
+
 };