Measure the number of frame loads with Flash.

content/renderer/pepper/pepper_plugin_instance_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 372 matching lines @@
       input_sequence);
   new_latency->TraceEventType(WebInputEventTraits::GetName(type));
   if (old_latency) {
     new_latency->CopyLatencyFrom(*old_latency,
                                  ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT);
     new_latency->CopyLatencyFrom(*old_latency,
                                  ui::INPUT_EVENT_LATENCY_UI_COMPONENT);
   }
 }
 
+bool IsFlashPlugin(PluginModule* module) {
+  return module->name() == kFlashPluginName;
+}
+
 }  // namespace
 
 // static
 PepperPluginInstanceImpl* PepperPluginInstanceImpl::Create(
     RenderFrameImpl* render_frame,
     PluginModule* module,
     WebPluginContainer* container,
     const GURL& plugin_url) {
   base::Callback<const void*(const char*)> get_plugin_interface_func =
       base::Bind(&PluginModule::GetPluginInterface, module);
@@ skipping 176 matching lines @@
 
     PluginPowerSaverHelper* power_saver_helper =
         render_frame_->plugin_power_saver_helper();
     GURL content_origin = plugin_url_.GetOrigin();
     blink::WebRect bounds = container_->element().boundsInViewportSpace();
 
     bool cross_origin = false;
     power_saver_enabled_ =
         CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnablePluginPowerSaver) &&
-        module_->name() == kFlashPluginName &&
+        IsFlashPlugin(module_.get()) &&
         power_saver_helper->ShouldThrottleContent(
             content_origin, bounds.width, bounds.height, &cross_origin);
 
     if (power_saver_enabled_) {
       power_saver_helper->RegisterPeripheralPlugin(
           content_origin,
           base::Bind(&PepperPluginInstanceImpl::DisablePowerSaverAndUnthrottle,
                      weak_factory_.GetWeakPtr()));
 
       throttler_.reset(new PepperPluginInstanceThrottler(
           base::Bind(&PepperPluginInstanceImpl::SetPluginThrottled,
                      weak_factory_.GetWeakPtr(), true /* throttled */)));
     } else if (cross_origin) {
       power_saver_helper->WhitelistContentOrigin(content_origin);
     }
   }
 
   RendererPpapiHostImpl* host_impl = module_->renderer_ppapi_host();
   resource_creation_ = host_impl->CreateInProcessResourceCreationAPI(this);
 
   if (GetContentClient()->renderer() &&  // NULL in unit tests.
       GetContentClient()->renderer()->IsExternalPepperPlugin(module->name()))
     external_document_load_ = true;
+
+  if (IsFlashPlugin(module_.get())) {
+    RenderThread::Get()->RecordAction(
+        base::UserMetricsAction("Flash.PluginInstanceCreated"));
+  }
 }
 
 PepperPluginInstanceImpl::~PepperPluginInstanceImpl() {
   DCHECK(!fullscreen_container_);
 
   // Notify all the plugin objects of deletion. This will prevent blink from
   // calling into the plugin any more.
   //
   // Swap out the set so we can delete from it (the objects will try to
   // unregister themselves inside the delete call).
@@ skipping 2699 matching lines @@
   SendDidChangeView();
 }
 
 void PepperPluginInstanceImpl::DisablePowerSaverAndUnthrottle() {
   DCHECK(power_saver_enabled_);
   power_saver_enabled_ = false;
   SetPluginThrottled(false);
 }
 
 }  // namespace content