Fix a forgotten return statement in BrowserContentSettingBubbleModelDelegate.

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 3faf64ffb5cd9593c5d9e63edb2f3c3f57d4255b..8736fa5f5c8fdc15429f4546e155418de20c3346 100644
--- a/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
+++ b/chrome/browser/ui/browser_content_setting_bubble_model_delegate.cc
@@ -53,6 +53,7 @@ void BrowserContentSettingBubbleModelDelegate::ShowContentSettingsPage(
       // default settings, as those appear first in the list.
       chrome::ShowContentSettings(
           browser_, CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC);
+      return;
     default:
       chrome::ShowContentSettingsExceptions(browser_, type);
       return;