aura: Get rid of some unneeded stubs.

chrome/browser/ui/login/login_prompt_ui.cc

Index: chrome/browser/ui/login/login_prompt_ui.cc
diff --git a/chrome/browser/ui/login/login_prompt_ui.cc b/chrome/browser/ui/login/login_prompt_ui.cc
index e6a53fba6c639464e7136b42691e39fb500de689..ee9daae36bde3ce42ab7f786ed0b3fb645a9fa1c 100644
--- a/chrome/browser/ui/login/login_prompt_ui.cc
+++ b/chrome/browser/ui/login/login_prompt_ui.cc
@@ -23,14 +23,6 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/size.h"
 
-#if defined(USE_AURA) && !defined(OS_CHROMEOS) && !defined(TOUCH_UI)
-// TODO(saintlou): This is another big fat hack like in the FileSelector.
-namespace chrome {
-const char kChromeUIHttpAuthHost[] = "http-auth";
-const char kChromeUIHttpAuthURL[] = "chrome://http-auth/";
-} // namespace chrome
-#endif
-
 class LoginHandlerSource : public ChromeURLDataManager::DataSource {
  public:
   LoginHandlerSource()