Revert "Split EventWrapper in twain."

This reverts commit 9509fbfc301dd5412804ce5731afedc81480f2f8.

This is to debug a Chromium issue that WebRTC hangs if there is > 1 PeerConnection active in the browser on Win XP.

BUG=

TBR=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/43019004

Cr-Commit-Position: refs/heads/master@{#8912}

webrtc/modules/audio_coding/main/test/APITest.cc

@@ -247,14 +247,14 @@ int16_t APITest::SetUp() {
 
   //--- EVENT TIMERS
   // A
-  _pullEventA = EventTimerWrapper::Create();
-  _pushEventA = EventTimerWrapper::Create();
-  _processEventA = EventTimerWrapper::Create();
+  _pullEventA = EventWrapper::Create();
+  _pushEventA = EventWrapper::Create();
+  _processEventA = EventWrapper::Create();
   _apiEventA = EventWrapper::Create();
   // B
-  _pullEventB = EventTimerWrapper::Create();
-  _pushEventB = EventTimerWrapper::Create();
-  _processEventB = EventTimerWrapper::Create();
+  _pullEventB = EventWrapper::Create();
+  _pushEventB = EventWrapper::Create();
+  _processEventB = EventWrapper::Create();
   _apiEventB = EventWrapper::Create();
 
   //--- I/O params
@@ -682,7 +682,7 @@ void APITest::TestDelay(char side) {
   AudioCodingModule* myACM;
   Channel* myChannel;
   int32_t* myMinDelay;
-  EventTimerWrapper* myEvent = EventTimerWrapper::Create();
+  EventWrapper* myEvent = EventWrapper::Create();
 
   uint32_t inTimestamp = 0;
   uint32_t outTimestamp = 0;

webrtc/modules/audio_coding/main/test/APITest.h

@@ -109,14 +109,14 @@ class APITest : public ACMTest {
   bool _writeToFile;
   //--- Events
   // A
-  EventTimerWrapper* _pullEventA;      // pulling data from ACM
-  EventTimerWrapper* _pushEventA;      // pushing data to ACM
-  EventTimerWrapper* _processEventA;   // process
+  EventWrapper* _pullEventA;      // pulling data from ACM
+  EventWrapper* _pushEventA;      // pushing data to ACM
+  EventWrapper* _processEventA;   // process
   EventWrapper* _apiEventA;       // API calls
   // B
-  EventTimerWrapper* _pullEventB;      // pulling data from ACM
-  EventTimerWrapper* _pushEventB;      // pushing data to ACM
-  EventTimerWrapper* _processEventB;   // process
+  EventWrapper* _pullEventB;      // pulling data from ACM
+  EventWrapper* _pushEventB;      // pushing data to ACM
+  EventWrapper* _processEventB;   // process
   EventWrapper* _apiEventB;       // API calls
 
   // keep track of the codec in either side.

webrtc/modules/audio_coding/main/test/iSACTest.cc

@@ -292,7 +292,7 @@ void ISACTest::EncodeDecode(int testNr, ACMTestISACConfig& wbISACConfig,
 
   char currentTime[500];
   CodecInst sendCodec;
-  EventTimerWrapper* myEvent = EventTimerWrapper::Create();
+  EventWrapper* myEvent = EventWrapper::Create();
   EXPECT_TRUE(myEvent->StartTimer(true, 10));
   while (!(_inFileA.EndOfFile() || _inFileA.Rewinded())) {
     Run10ms();

webrtc/modules/audio_device/win/audio_device_wave_win.cc

@@ -47,7 +47,7 @@ namespace webrtc {
 AudioDeviceWindowsWave::AudioDeviceWindowsWave(const int32_t id) :
     _ptrAudioBuffer(NULL),
     _critSect(*CriticalSectionWrapper::CreateCriticalSection()),
-    _timeEvent(*EventTimerWrapper::Create()),
+    _timeEvent(*EventWrapper::Create()),
     _recStartEvent(*EventWrapper::Create()),
     _playStartEvent(*EventWrapper::Create()),
     _hGetCaptureVolumeThread(NULL),

webrtc/modules/audio_device/win/audio_device_wave_win.h

@@ -18,7 +18,6 @@
 #pragma comment( lib, "winmm.lib" )
 
 namespace webrtc {
-class EventTimerWrapper;
 class EventWrapper;
 
 const uint32_t TIMER_PERIOD_MS = 2;
@@ -212,7 +211,7 @@ private:
     AudioDeviceBuffer*                      _ptrAudioBuffer;
 
     CriticalSectionWrapper&                 _critSect;
-    EventTimerWrapper&                      _timeEvent;
+    EventWrapper&                           _timeEvent;
     EventWrapper&                           _recStartEvent;
     EventWrapper&                           _playStartEvent;
 

webrtc/modules/video_render/incoming_video_stream.cc

@@ -39,7 +39,7 @@ IncomingVideoStream::IncomingVideoStream(const int32_t module_id,
       thread_critsect_(*CriticalSectionWrapper::CreateCriticalSection()),
       buffer_critsect_(*CriticalSectionWrapper::CreateCriticalSection()),
       incoming_render_thread_(),
-      deliver_buffer_event_(*EventTimerWrapper::Create()),
+      deliver_buffer_event_(*EventWrapper::Create()),
       running_(false),
       external_callback_(NULL),
       render_callback_(NULL),

webrtc/modules/video_render/incoming_video_stream.h

@@ -15,7 +15,7 @@
 
 namespace webrtc {
 class CriticalSectionWrapper;
-class EventTimerWrapper;
+class EventWrapper;
 class ThreadWrapper;
 class VideoRenderCallback;
 class VideoRenderFrames;
@@ -73,7 +73,7 @@ class IncomingVideoStream : public VideoRenderCallback {
   CriticalSectionWrapper& thread_critsect_;
   CriticalSectionWrapper& buffer_critsect_;
   rtc::scoped_ptr<ThreadWrapper> incoming_render_thread_;
-  EventTimerWrapper& deliver_buffer_event_;
+  EventWrapper& deliver_buffer_event_;
   bool running_;
 
   VideoRenderCallback* external_callback_;

webrtc/modules/video_render/ios/video_render_ios_gles20.h

@@ -22,7 +22,7 @@
 namespace webrtc {
 
 class CriticalSectionWrapper;
-class EventTimerWrapper;
+class EventWrapper;
 
 class VideoRenderIosGles20 {
  public:
@@ -63,7 +63,7 @@ class VideoRenderIosGles20 {
 
  private:
   rtc::scoped_ptr<CriticalSectionWrapper> gles_crit_sec_;
-  EventTimerWrapper* screen_update_event_;
+  EventWrapper* screen_update_event_;
   rtc::scoped_ptr<ThreadWrapper> screen_update_thread_;
 
   VideoRenderIosView* view_;

webrtc/modules/video_render/ios/video_render_ios_gles20.mm

@@ -34,7 +34,7 @@ VideoRenderIosGles20::VideoRenderIosGles20(VideoRenderIosView* view,
       is_rendering_(true) {
   screen_update_thread_ = ThreadWrapper::CreateThread(
       ScreenUpdateThreadProc, this, "ScreenUpdateGles20");
-  screen_update_event_ = EventTimerWrapper::Create();
+  screen_update_event_ = EventWrapper::Create();
   GetWindowRect(window_rect_);
 }
 

webrtc/modules/video_render/mac/video_render_nsopengl.h

@@ -31,13 +31,16 @@
 class Trace;
 
 namespace webrtc {
-class EventTimerWrapper;
+class EventWrapper;
 class ThreadWrapper;
 class VideoRenderNSOpenGL;
 class CriticalSectionWrapper;
 
-class VideoChannelNSOpenGL : public VideoRenderCallback {
+class VideoChannelNSOpenGL : public VideoRenderCallback
+{
+
 public:
+
     VideoChannelNSOpenGL(NSOpenGLContext *nsglContext, int iId, VideoRenderNSOpenGL* owner);
     virtual ~VideoChannelNSOpenGL();
 
@@ -167,7 +170,7 @@ private: // variables
     int _id;
     CriticalSectionWrapper& _nsglContextCritSec;
     rtc::scoped_ptr<ThreadWrapper> _screenUpdateThread;
-    EventTimerWrapper* _screenUpdateEvent;
+    EventWrapper* _screenUpdateEvent;
     NSOpenGLContext* _nsglContext;
     NSOpenGLContext* _nsglFullScreenContext;
     CocoaFullScreenWindow* _fullScreenWindow;

webrtc/modules/video_render/mac/video_render_nsopengl.mm

@@ -367,7 +367,7 @@ _windowRef( (CocoaRenderView*)windowRef),
 _fullScreen( fullScreen),
 _id( iId),
 _nsglContextCritSec( *CriticalSectionWrapper::CreateCriticalSection()),
-_screenUpdateEvent(EventTimerWrapper::Create()),
+_screenUpdateEvent( 0),
 _nsglContext( 0),
 _nsglFullScreenContext( 0),
 _fullScreenWindow( nil),
@@ -382,6 +382,7 @@ _windowRefSuperViewFrame(NSMakeRect(0,0,0,0))
 {
     _screenUpdateThread = ThreadWrapper::CreateThread(ScreenUpdateThreadProc,
             this, "ScreenUpdateNSOpenGL");
+    _screenUpdateEvent = EventWrapper::Create();
 }
 
 int VideoRenderNSOpenGL::ChangeWindow(CocoaRenderView* newWindowRef)

webrtc/modules/video_render/windows/video_render_direct3d9.cc

@@ -297,7 +297,7 @@ VideoRenderDirect3D9::VideoRenderDirect3D9(Trace* trace,
 {
     _screenUpdateThread = ThreadWrapper::CreateThread(
         ScreenUpdateThreadProc, this, "ScreenUpdateThread");
-    _screenUpdateEvent = EventTimerWrapper::Create();
+    _screenUpdateEvent = EventWrapper::Create();
     SetRect(&_originalHwndRect, 0, 0, 0, 0);
 }
 

webrtc/modules/video_render/windows/video_render_direct3d9.h

@@ -27,7 +27,7 @@
 
 namespace webrtc {
 class CriticalSectionWrapper;
-class EventTimerWrapper;
+class EventWrapper;
 class Trace;
 
 class D3D9Channel: public VideoRenderCallback
@@ -205,7 +205,7 @@ private:
     CriticalSectionWrapper& _refD3DCritsect;
     Trace* _trace;
     rtc::scoped_ptr<ThreadWrapper> _screenUpdateThread;
-    EventTimerWrapper* _screenUpdateEvent;
+    EventWrapper* _screenUpdateEvent;
 
     HWND _hWnd;
     bool _fullScreen;

webrtc/system_wrappers/BUILD.gn

@@ -65,11 +65,11 @@ static_library("system_wrappers") {
     "source/critical_section_win.h",
     "source/data_log_c.cc",
     "source/event.cc",
-    "source/event_timer_posix.cc",
-    "source/event_timer_posix.h",
-    "source/event_timer_win.cc",
-    "source/event_timer_win.h",
+    "source/event_posix.cc",
+    "source/event_posix.h",
     "source/event_tracer.cc",
+    "source/event_win.cc",
+    "source/event_win.h",
     "source/file_impl.cc",
     "source/file_impl.h",
     "source/logging.cc",

webrtc/system_wrappers/interface/event_wrapper.h

@@ -18,15 +18,13 @@ enum EventTypeWrapper {
   kEventTimeout = 3
 };
 
+#define WEBRTC_EVENT_10_SEC   10000
 #define WEBRTC_EVENT_INFINITE 0xffffffff
 
-class EventTimerWrapper;
-
 class EventWrapper {
  public:
   // Factory method. Constructor disabled.
   static EventWrapper* Create();
-
   virtual ~EventWrapper() {}
 
   // Releases threads who are calling Wait() and has started waiting. Please
@@ -45,11 +43,6 @@ class EventWrapper {
   // be released. It is possible that multiple (random) threads are released
   // Depending on timing.
   virtual EventTypeWrapper Wait(unsigned long max_time) = 0;
-};
-
-class EventTimerWrapper : public EventWrapper {
- public:
-  static EventTimerWrapper* Create();
 
   // Starts a timer that will call a non-sticky version of Set() either once
   // or periodically. If the timer is periodic it ensures that there is no
@@ -59,7 +52,6 @@ class EventTimerWrapper : public EventWrapper {
   virtual bool StopTimer() = 0;
 
 };
-
 }  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_EVENT_WRAPPER_H_

webrtc/system_wrappers/source/event.cc

@@ -12,43 +12,22 @@
 
 #if defined(_WIN32)
 #include <windows.h>
-#include "webrtc/system_wrappers/source/event_timer_win.h"
+#include "webrtc/system_wrappers/source/event_win.h"
 #elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 #include <ApplicationServices/ApplicationServices.h>
 #include <pthread.h>
-#include "webrtc/system_wrappers/source/event_timer_posix.h"
+#include "webrtc/system_wrappers/source/event_posix.h"
 #else
 #include <pthread.h>
-#include "webrtc/system_wrappers/source/event_timer_posix.h"
+#include "webrtc/system_wrappers/source/event_posix.h"
 #endif
 
-#include "webrtc/base/event.h"
-
 namespace webrtc {
-
-class EventWrapperImpl : public EventWrapper {
- public:
-  EventWrapperImpl() : event_(false, false) {}
-  ~EventWrapperImpl() override {}
-
-  bool Set() override {
-    event_.Set();
-    return true;
-  }
-
-  EventTypeWrapper Wait(unsigned long max_time) override {
-    int to_wait = max_time == WEBRTC_EVENT_INFINITE ?
-        rtc::Event::kForever : static_cast<int>(max_time);
-    return event_.Wait(to_wait) ? kEventSignaled : kEventTimeout;
-  }
-
- private:
-  rtc::Event event_;
-};
-
-// static
 EventWrapper* EventWrapper::Create() {
-  return new EventWrapperImpl();
+#if defined(_WIN32)
+  return new EventWindows();
+#else
+  return EventPosix::Create();
+#endif
 }
-
 }  // namespace webrtc

webrtc/system_wrappers/source/event_posix.cc

@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/system_wrappers/source/event_timer_posix.h"
+#include "webrtc/system_wrappers/source/event_posix.h"
 
 #include <errno.h>
 #include <pthread.h>
@@ -22,17 +22,17 @@
 
 namespace webrtc {
 
-// static
-EventTimerWrapper* EventTimerWrapper::Create() {
-  return new EventTimerPosix();
-}
-
 const long int E6 = 1000000;
 const long int E9 = 1000 * E6;
 
-EventTimerPosix::EventTimerPosix()
+EventWrapper* EventPosix::Create() {
+  return new EventPosix();
+}
+
+EventPosix::EventPosix()
     : event_set_(false),
       timer_thread_(nullptr),
+      timer_event_(0),
       created_at_(),
       periodic_(false),
       time_(0),
@@ -52,14 +52,14 @@ EventTimerPosix::EventTimerPosix()
 #endif
 }
 
-EventTimerPosix::~EventTimerPosix() {
+EventPosix::~EventPosix() {
   StopTimer();
   pthread_cond_destroy(&cond_);
   pthread_mutex_destroy(&mutex_);
 }
 
 // TODO(pbos): Make this void.
-bool EventTimerPosix::Set() {
+bool EventPosix::Set() {
   CHECK_EQ(0, pthread_mutex_lock(&mutex_));
   event_set_ = true;
   pthread_cond_signal(&cond_);
@@ -67,7 +67,7 @@ bool EventTimerPosix::Set() {
   return true;
 }
 
-EventTypeWrapper EventTimerPosix::Wait(unsigned long timeout) {
+EventTypeWrapper EventPosix::Wait(unsigned long timeout) {
   int ret_val = 0;
   CHECK_EQ(0, pthread_mutex_lock(&mutex_));
 
@@ -115,7 +115,7 @@ EventTypeWrapper EventTimerPosix::Wait(unsigned long timeout) {
   return ret_val == 0 ? kEventSignaled : kEventTimeout;
 }
 
-EventTypeWrapper EventTimerPosix::Wait(timespec* end_at) {
+EventTypeWrapper EventPosix::Wait(timespec* end_at) {
   int ret_val = 0;
   CHECK_EQ(0, pthread_mutex_lock(&mutex_));
 
@@ -134,7 +134,7 @@ EventTypeWrapper EventTimerPosix::Wait(timespec* end_at) {
   return ret_val == 0 ? kEventSignaled : kEventTimeout;
 }
 
-bool EventTimerPosix::StartTimer(bool periodic, unsigned long time) {
+bool EventPosix::StartTimer(bool periodic, unsigned long time) {
   pthread_mutex_lock(&mutex_);
   if (timer_thread_) {
     if (periodic_) {
@@ -152,7 +152,7 @@ bool EventTimerPosix::StartTimer(bool periodic, unsigned long time) {
   }
 
   // Start the timer thread
-  timer_event_.reset(new EventTimerPosix());
+  timer_event_ = static_cast<EventPosix*>(EventWrapper::Create());
   const char* thread_name = "WebRtc_event_timer_thread";
   timer_thread_ = ThreadWrapper::CreateThread(Run, this, thread_name);
   periodic_ = periodic;
@@ -164,11 +164,11 @@ bool EventTimerPosix::StartTimer(bool periodic, unsigned long time) {
   return started;
 }
 
-bool EventTimerPosix::Run(void* obj) {
-  return static_cast<EventTimerPosix*>(obj)->Process();
+bool EventPosix::Run(void* obj) {
+  return static_cast<EventPosix*>(obj)->Process();
 }
 
-bool EventTimerPosix::Process() {
+bool EventPosix::Process() {
   pthread_mutex_lock(&mutex_);
   if (created_at_.tv_sec == 0) {
 #ifndef WEBRTC_MAC
@@ -210,7 +210,7 @@ bool EventTimerPosix::Process() {
   return true;
 }
 
-bool EventTimerPosix::StopTimer() {
+bool EventPosix::StopTimer() {
   if (timer_event_) {
     timer_event_->Set();
   }
@@ -220,7 +220,10 @@ bool EventTimerPosix::StopTimer() {
     }
     timer_thread_.reset();
   }
-  timer_event_.reset();
+  if (timer_event_) {
+    delete timer_event_;
+    timer_event_ = 0;
+  }
 
   // Set time to zero to force new reference time for the timer.
   memset(&created_at_, 0, sizeof(created_at_));

webrtc/system_wrappers/source/event_posix.h

@@ -25,10 +25,11 @@ enum State {
   kDown = 2
 };
 
-class EventTimerPosix : public EventTimerWrapper {
+class EventPosix : public EventWrapper {
  public:
-  EventTimerPosix();
-  ~EventTimerPosix() override;
+  static EventWrapper* Create();
+
+  ~EventPosix() override;
 
   EventTypeWrapper Wait(unsigned long max_time) override;
   bool Set() override;
@@ -37,6 +38,8 @@ class EventTimerPosix : public EventTimerWrapper {
   bool StopTimer() override;
 
  private:
+  EventPosix();
+
   static bool Run(void* obj);
   bool Process();
   EventTypeWrapper Wait(timespec* end_at);
@@ -47,7 +50,7 @@ class EventTimerPosix : public EventTimerWrapper {
   bool event_set_;
 
   rtc::scoped_ptr<ThreadWrapper> timer_thread_;
-  rtc::scoped_ptr<EventTimerPosix> timer_event_;
+  EventPosix*    timer_event_;
   timespec       created_at_;
 
   bool          periodic_;

webrtc/system_wrappers/source/event_win.cc

@@ -8,18 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/system_wrappers/source/event_timer_win.h"
+#include "webrtc/system_wrappers/source/event_win.h"
 
 #include "Mmsystem.h"
 
 namespace webrtc {
 
-// static
-EventTimerWrapper* EventTimerWrapper::Create() {
-  return new EventTimerWin();
-}
-
-EventTimerWin::EventTimerWin()
+EventWindows::EventWindows()
     : event_(::CreateEvent(NULL,    // security attributes
                            FALSE,   // manual reset
                            FALSE,   // initial state
@@ -27,17 +22,17 @@ EventTimerWin::EventTimerWin()
     timerID_(NULL) {
 }
 
-EventTimerWin::~EventTimerWin() {
+EventWindows::~EventWindows() {
   StopTimer();
   CloseHandle(event_);
 }
 
-bool EventTimerWin::Set() {
+bool EventWindows::Set() {
   // Note: setting an event that is already set has no effect.
   return SetEvent(event_) == 1;
 }
 
-EventTypeWrapper EventTimerWin::Wait(unsigned long max_time) {
+EventTypeWrapper EventWindows::Wait(unsigned long max_time) {
   unsigned long res = WaitForSingleObject(event_, max_time);
   switch (res) {
     case WAIT_OBJECT_0:
@@ -49,7 +44,7 @@ EventTypeWrapper EventTimerWin::Wait(unsigned long max_time) {
   }
 }
 
-bool EventTimerWin::StartTimer(bool periodic, unsigned long time) {
+bool EventWindows::StartTimer(bool periodic, unsigned long time) {
   if (timerID_ != NULL) {
     timeKillEvent(timerID_);
     timerID_ = NULL;
@@ -66,7 +61,7 @@ bool EventTimerWin::StartTimer(bool periodic, unsigned long time) {
   return timerID_ != NULL;
 }
 
-bool EventTimerWin::StopTimer() {
+bool EventWindows::StopTimer() {
   if (timerID_ != NULL) {
     timeKillEvent(timerID_);
     timerID_ = NULL;

webrtc/system_wrappers/source/event_win.h

@@ -19,10 +19,10 @@
 
 namespace webrtc {
 
-class EventTimerWin : public EventTimerWrapper {
+class EventWindows : public EventWrapper {
  public:
-  EventTimerWin();
-  virtual ~EventTimerWin();
+  EventWindows();
+  virtual ~EventWindows();
 
   virtual EventTypeWrapper Wait(unsigned long max_time);
   virtual bool Set();

webrtc/system_wrappers/system_wrappers.gyp

@@ -75,11 +75,11 @@
         'source/data_log_c.cc',
         'source/data_log_no_op.cc',
         'source/event.cc',
-        'source/event_timer_posix.cc',
-        'source/event_timer_posix.h',
-        'source/event_timer_win.cc',
-        'source/event_timer_win.h',
+        'source/event_posix.cc',
+        'source/event_posix.h',
         'source/event_tracer.cc',
+        'source/event_win.cc',
+        'source/event_win.h',
         'source/file_impl.cc',
         'source/file_impl.h',
         'source/logcat_trace_context.cc',

webrtc/test/fake_audio_device.cc

@@ -30,7 +30,7 @@ FakeAudioDevice::FakeAudioDevice(Clock* clock, const std::string& filename)
       playout_buffer_(),
       last_playout_ms_(-1),
       clock_(clock),
-      tick_(EventTimerWrapper::Create()),
+      tick_(EventWrapper::Create()),
       lock_(CriticalSectionWrapper::CreateCriticalSection()),
       file_utility_(new ModuleFileUtility(0)),
       input_stream_(FileWrapper::Create()) {

webrtc/test/fake_audio_device.h

@@ -20,7 +20,7 @@ namespace webrtc {
 
 class Clock;
 class CriticalSectionWrapper;
-class EventTimerWrapper;
+class EventWrapper;
 class FileWrapper;
 class ModuleFileUtility;
 class ThreadWrapper;
@@ -57,7 +57,7 @@ class FakeAudioDevice : public FakeAudioDeviceModule {
   int64_t last_playout_ms_;
 
   Clock* clock_;
-  rtc::scoped_ptr<EventTimerWrapper> tick_;
+  rtc::scoped_ptr<EventWrapper> tick_;
   rtc::scoped_ptr<CriticalSectionWrapper> lock_;
   rtc::scoped_ptr<ThreadWrapper> thread_;
   rtc::scoped_ptr<ModuleFileUtility> file_utility_;

webrtc/test/frame_generator_capturer.cc

@@ -65,7 +65,7 @@ FrameGeneratorCapturer::FrameGeneratorCapturer(Clock* clock,
     : VideoCapturer(input),
       clock_(clock),
       sending_(false),
-      tick_(EventTimerWrapper::Create()),
+      tick_(EventWrapper::Create()),
       lock_(CriticalSectionWrapper::CreateCriticalSection()),
       frame_generator_(frame_generator),
       target_fps_(target_fps),

webrtc/test/frame_generator_capturer.h

@@ -19,7 +19,7 @@
 namespace webrtc {
 
 class CriticalSectionWrapper;
-class EventTimerWrapper;
+class EventWrapper;
 class ThreadWrapper;
 
 namespace test {
@@ -60,7 +60,7 @@ class FrameGeneratorCapturer : public VideoCapturer {
   Clock* const clock_;
   bool sending_;
 
-  rtc::scoped_ptr<EventTimerWrapper> tick_;
+  rtc::scoped_ptr<EventWrapper> tick_;
   rtc::scoped_ptr<CriticalSectionWrapper> lock_;
   rtc::scoped_ptr<ThreadWrapper> thread_;
   rtc::scoped_ptr<FrameGenerator> frame_generator_;