Add metrics to record TCP/UDP connections made from Flash

content/browser/renderer_host/pepper/browser_ppapi_host_impl.h

Index: content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
diff --git a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
index 6071555c1aa90c0fb917c3300beac04e4f729f81..a29eb7ed55ddfb3c0575cff28dfbd047a72372ee 100644
--- a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
+++ b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.h
@@ -72,6 +72,11 @@ class CONTENT_EXPORT BrowserPpapiHostImpl : public BrowserPpapiHost {
   void SetOnKeepaliveCallback(
       const BrowserPpapiHost::OnKeepaliveCallback& callback) override;
 
+  // Whether the plugin context is secure. That is, it is served from a secure
+  // origin and it is embedded within a hierarchy of secure frames. This value
+  // comes from the renderer so should not be trusted. It is used for metrics.
+  bool IsPotentiallySecurePluginContext(PP_Instance instance);
+
   void set_plugin_process(base::Process process) {
     plugin_process_ = process.Pass();
   }