Measure the number of frame loads with Flash.

content/renderer/pepper/pepper_plugin_instance_impl.cc

Index: content/renderer/pepper/pepper_plugin_instance_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.cc b/content/renderer/pepper/pepper_plugin_instance_impl.cc
index e22101ba7c5f8660dd9d5d8a401b6c1139100266..6a63bb8327f131d7ad624db26dc1bc4956c90999 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.cc
@@ -388,6 +388,10 @@ void InitLatencyInfo(ui::LatencyInfo* new_latency,
   }
 }
 
+bool IsFlashPlugin(PluginModule* module) {
+  return module->name() == kFlashPluginName;
+}
+
 }  // namespace
 
 // static
@@ -592,6 +596,11 @@ PepperPluginInstanceImpl::PepperPluginInstanceImpl(
         base::Bind(&PepperPluginInstanceImpl::SetPluginThrottled,
                    weak_factory_.GetWeakPtr(), true /* throttled */)));
   }
+
+  if (IsFlashPlugin(module_.get())) {
+    RenderThread::Get()->RecordAction(
+        base::UserMetricsAction("Flash.PluginInstanceCreated"));
+  }
 }
 
 PepperPluginInstanceImpl::~PepperPluginInstanceImpl() {
@@ -3296,7 +3305,7 @@ void PepperPluginInstanceImpl::DidDataFromWebURLResponse(
 }
 
 bool PepperPluginInstanceImpl::IsPeripheralContent() const {
-  if (module_->name() != kFlashPluginName)
+  if (!IsFlashPlugin(module_.get()))
     return false;
 
   // Peripheral plugin content is defined to be peripheral when the plugin