Don't allow elevation for CHROME_OS.

chrome/browser/managed_mode/managed_mode_navigation_observer.cc

Index: chrome/browser/managed_mode/managed_mode_navigation_observer.cc
diff --git a/chrome/browser/managed_mode/managed_mode_navigation_observer.cc b/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
index ce1d91834f92b4ed4c3289556947babd40708948..15e357d8fe444d974c575b902fd347332828105c 100644
--- a/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
+++ b/chrome/browser/managed_mode/managed_mode_navigation_observer.cc
@@ -333,11 +333,17 @@ void ManagedModeNavigationObserver::AddSavedURLsToWhitelistAndClearState() {
 }
 
 bool ManagedModeNavigationObserver::is_elevated() const {
+#if defined(OS_CHROMEOS)
+  return false;
+#else
   return is_elevated_;
+#endif
 }
 
 void ManagedModeNavigationObserver::set_elevated(bool is_elevated) {
+#if !defined(OS_CHROMEOS)
   is_elevated_ = is_elevated;

[Bernhard Bauer, 2013/04/11 13:31:18]

Hmm, could we DCHECK in that case?

[Adrian Kuegel, 2013/04/11 15:56:10]

Yes, that should work. But it implies I need to change the code which would set
this to true at startup. I started implementing this trying to do as few changes
as possible (which might not be the right way to do it, I know :-) ).

+#endif
 }
 
 void ManagedModeNavigationObserver::AddURLToPatternList(const GURL& url) {