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 01c2e49ac5883bd7dac9367a28bf67e82c7a7349..d4af375e7b4d2872560900db3355000163263398 100644
--- a/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
+++ b/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
@@ -7,6 +7,7 @@
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/ui/browser.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.
@@ -34,7 +35,13 @@ void BrowserContentSettingBubbleModelDelegate::ShowContentSettingsPage(
     GURL url(google_util::AppendGoogleLocaleParam(
         GURL(kInsecureScriptHelpUrl)));
     browser_->AddSelectedTabWithURL(url, content::PAGE_TRANSITION_LINK);
-  } else {
-    chrome::ShowContentSettings(browser_, type);
+    return;
   }
+
+  if (type == CONTENT_SETTINGS_TYPE_REGISTER_PROTOCOL_HANDLER) {
+    chrome::ShowSettingsSubPage(browser_, chrome::kHandlerSettingsSubPage);
+    return;
+  }
+
+  chrome::ShowContentSettings(browser_, type);
 }