Plugin Power Saver Tiny: Add RAPPOR metric for new ALLOW exceptions.

chrome/browser/ui/content_settings/content_setting_bubble_model.cc

Index: chrome/browser/ui/content_settings/content_setting_bubble_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_bubble_model.cc b/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
index 276a8336a763e19f6bdfb3876af4134b7dd759e3..4204a26dfd356fb01cec0cb90019ee2ecaa1c783 100644
--- a/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
@@ -500,6 +500,10 @@ ContentSettingPluginBubbleModel::~ContentSettingPluginBubbleModel() {
     content_settings::RecordPluginsAction(
         content_settings::
             PLUGINS_ACTION_CLICKED_ALWAYS_ALLOW_PLUGINS_ON_ORIGIN);
+    rappor::SampleDomainAndRegistryFromGURL(
+        rappor_service(), "ContentSettings.Plugins.AddedAllowException",
+        web_contents()->GetLastCommittedURL());
+
     RunPluginsOnPage();
   }
 }