Bring up a content settings icon for ungestured registerProtocolHandler call.

chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc

Index: chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
diff --git a/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc b/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
index 7a7d625aaa0137852be316b81587fb91b72fe2b7..841d988a244555baab48916562c5b04ce26d39ae 100644
--- a/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
+++ b/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
@@ -9,6 +9,7 @@
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/chrome_pages.h"
+#include "chrome/common/url_constants.h"
 
 // The URL for when the user clicks "learn more" on the mixed scripting page
 // icon bubble.
@@ -36,7 +37,13 @@ void BrowserContentSettingBubbleModelDelegate::ShowContentSettingsPage(
     GURL url(google_util::AppendGoogleLocaleParam(
         GURL(kInsecureScriptHelpUrl)));
     chrome::AddSelectedTabWithURL(browser_, url, content::PAGE_TRANSITION_LINK);
-  } else {
-    chrome::ShowContentSettings(browser_, type);
+    return;
   }
+
+  if (type == CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS) {
+    chrome::ShowSettingsSubPage(browser_, chrome::kHandlerSettingsSubPage);
+    return;
+  }
+
+  chrome::ShowContentSettings(browser_, type);
 }