Consolidate javascript_dialog_manager.h and javascript_dialog_manager_impl.h

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index ac490162e8a7b0c5dccf7005ff7763aa55fc9f9e..bfae5c9a55b9a83942a2de1ef6a357532aa15b67 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -100,6 +100,9 @@
 #include "chrome/browser/browser_process.h"
 #endif
 
+using app_modal_dialogs::AppModalDialog;
+using app_modal_dialogs::AppModalDialogQueue;
+using app_modal_dialogs::JavaScriptAppModalDialog;
 using base::ASCIIToUTF16;
 using content::InterstitialPage;
 using content::HostZoomMap;