Add Pepper flag to UMA plugin records.

chrome/browser/metrics/metrics_log.cc

Index: chrome/browser/metrics/metrics_log.cc
diff --git a/chrome/browser/metrics/metrics_log.cc b/chrome/browser/metrics/metrics_log.cc
index 7a0f21049fd8f365287ef6e9d556370a2fdd4b92..a9a1fc5c6226e8d90039734474f514c154fd171c 100644
--- a/chrome/browser/metrics/metrics_log.cc
+++ b/chrome/browser/metrics/metrics_log.cc
@@ -228,6 +228,7 @@ void SetPluginInfo(const content::WebPluginInfo& plugin_info,
   plugin->set_name(UTF16ToUTF8(plugin_info.name));
   plugin->set_filename(plugin_info.path.BaseName().AsUTF8Unsafe());
   plugin->set_version(UTF16ToUTF8(plugin_info.version));
+  plugin->set_is_pepper(plugin_info.is_pepper_plugin());
   if (plugin_prefs)
     plugin->set_is_disabled(!plugin_prefs->IsPluginEnabled(plugin_info));
 }