Implement a permission check for push.

chrome/browser/content_settings/content_settings_default_provider.cc

Index: chrome/browser/content_settings/content_settings_default_provider.cc
diff --git a/chrome/browser/content_settings/content_settings_default_provider.cc b/chrome/browser/content_settings/content_settings_default_provider.cc
index 9f278790b249347180f41d81d2907a8e7f1ec72f..8673960f130427c0fe0d65481cb5e8e3ada120cb 100644
--- a/chrome/browser/content_settings/content_settings_default_provider.cc
+++ b/chrome/browser/content_settings/content_settings_default_provider.cc
@@ -51,6 +51,7 @@ const ContentSetting kDefaultSettings[] = {
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_PPAPI_BROKER
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_MIDI_SYSEX
+  CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_PUSH_MESSAGING
 #if defined(OS_WIN)
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_METRO_SWITCH_TO_DESKTOP
 #elif defined(OS_ANDROID) || defined(OS_CHROMEOS)
@@ -169,6 +170,8 @@ DefaultProvider::DefaultProvider(PrefService* prefs, bool incognito)
           default_settings_[CONTENT_SETTINGS_TYPE_MIDI_SYSEX].get()),
       CONTENT_SETTING_NUM_SETTINGS);
 
+  // TODO(miguelg): Add UMA for Push messaging here
+
   pref_change_registrar_.Init(prefs_);
   PrefChangeRegistrar::NamedChangeCallback callback = base::Bind(
       &DefaultProvider::OnPreferenceChanged, base::Unretained(this));