Remove chrome.principals API

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 9d7e88cd4d1ad66827758bb3337020523bd66c38..3daf11327c4033207c387c59ca2667e16e6613e1 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -48,7 +48,6 @@
 #include "chrome/renderer/prerender/prerender_helper.h"
 #include "chrome/renderer/prerender/prerender_media_load_deferrer.h"
 #include "chrome/renderer/prerender/prerenderer_client.h"
-#include "chrome/renderer/principals_extension_bindings.h"
 #include "chrome/renderer/safe_browsing/malware_dom_details.h"
 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
 #include "chrome/renderer/searchbox/search_bouncer.h"
@@ -437,11 +436,6 @@ void ChromeContentRendererClient::RenderThreadStarted() {
     thread->RegisterExtension(extensions_v8::PlaybackExtension::Get());
   }
 
-  // TODO(guohui): needs to forward the new-profile-management switch to
-  // renderer processes.
-  if (switches::IsEnableAccountConsistency())
-    thread->RegisterExtension(extensions_v8::PrincipalsExtension::Get());
-
   // chrome:, chrome-search:, chrome-devtools:, and chrome-distiller: pages
   // should not be accessible by normal content, and should also be unable to
   // script anything but themselves (to help limit the damage that a corrupt