Track plugin input event latency

content/renderer/pepper/pepper_plugin_instance_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 37 matching lines @@
 #include "ppapi/thunk/ppb_gamepad_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 #include "skia/ext/refptr.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 #include "third_party/WebKit/public/web/WebPlugin.h"
 #include "third_party/WebKit/public/web/WebUserGestureToken.h"
 #include "ui/base/ime/text_input_type.h"
+#include "ui/events/latency_info.h"
 #include "ui/gfx/rect.h"
 #include "url/gurl.h"
 
 struct PP_Point;
 struct _NPP;
 
 class SkBitmap;
 class TransportDIB;
 
 namespace blink {
@@ skipping 329 matching lines @@
   virtual PP_Bool GetScreenSize(PP_Instance instance, PP_Size* size) OVERRIDE;
   virtual ppapi::Resource* GetSingletonResource(PP_Instance instance,
                                                 ppapi::SingletonResourceID id)
       OVERRIDE;
   virtual int32_t RequestInputEvents(PP_Instance instance,
                                      uint32_t event_classes) OVERRIDE;
   virtual int32_t RequestFilteringInputEvents(PP_Instance instance,
                                               uint32_t event_classes) OVERRIDE;
   virtual void ClearInputEventRequest(PP_Instance instance,
                                       uint32_t event_classes) OVERRIDE;
+  virtual void StartTrackingLatency(PP_Instance instance) OVERRIDE;
   virtual void ZoomChanged(PP_Instance instance, double factor) OVERRIDE;
   virtual void ZoomLimitsChanged(PP_Instance instance,
                                  double minimum_factor,
                                  double maximum_factor) OVERRIDE;
   virtual void PostMessage(PP_Instance instance, PP_Var message) OVERRIDE;
   virtual PP_Bool SetCursor(PP_Instance instance,
                             PP_MouseCursor_Type type,
                             PP_Resource image,
                             const PP_Point* hot_spot) OVERRIDE;
   virtual int32_t LockMouse(PP_Instance instance,
@@ skipping 83 matching lines @@
 
   // cc::TextureLayerClient implementation.
   virtual bool PrepareTextureMailbox(
       cc::TextureMailbox* mailbox,
       scoped_ptr<cc::SingleReleaseCallback>* release_callback,
       bool use_shared_memory) OVERRIDE;
 
   // RenderFrameObserver
   virtual void OnDestruct() OVERRIDE;
 
+  void AddLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
+
  private:
   friend class base::RefCounted<PepperPluginInstanceImpl>;
   friend class PpapiUnittest;
 
   // Delete should be called by the WebPlugin before this destructor.
   virtual ~PepperPluginInstanceImpl();
 
   // Class to record document load notifications and play them back once the
   // real document loader becomes available. Used only by external instances.
   class ExternalDocumentLoader : public blink::WebURLLoaderClient {
@@ skipping 337 matching lines @@
   // Isolate in which this Instance was created when interacting with v8.
   v8::Isolate* isolate_;
 
   scoped_ptr<MouseLockDispatcher::LockTarget> lock_target_;
 
   bool is_deleted_;
 
   // The text that is currently selected in the plugin.
   base::string16 selected_text_;
 
+  int64 last_input_number_;
+
+  bool is_tracking_latency_;
+
   // We use a weak ptr factory for scheduling DidChangeView events so that we
   // can tell whether updates are pending and consolidate them. When there's
   // already a weak ptr pending (HasWeakPtrs is true), code should update the
   // view_data_ but not send updates. This also allows us to cancel scheduled
   // view change events.
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   friend class PpapiPluginInstanceTest;
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_