WIP: Move 'X-Frame-Options' checking to the browser.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index e0ef5f7f4d4d93b02f8326e017d0cfaa6f1a8e49..bcf073ed6adc215265e1aff559354451430024d8 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -67,6 +67,7 @@
 #include "chrome/browser/search/instant_service_factory.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
+#include "chrome/browser/security/xfo_throttle.h"
 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
 #include "chrome/browser/speech/tts_controller.h"
 #include "chrome/browser/speech/tts_message_filter.h"
@@ -2721,6 +2722,11 @@ ChromeContentBrowserClient::CreateThrottlesForNavigation(
   }
 #endif
 
+  scoped_ptr<content::NavigationThrottle> xfo_throttle =
+      XFOThrottle::MaybeCreateThrottleFor(handle);
+  if (xfo_throttle)
+    throttles.push_back(xfo_throttle.Pass());
+
   return throttles.Pass();
 }