diff --git a/engine/core/dom/Microtask.cpp b/engine/core/dom/Microtask.cpp
index 04c27dcf9b1..7be9902076e 100644
--- a/engine/core/dom/Microtask.cpp
+++ b/engine/core/dom/Microtask.cpp
@@ -32,7 +32,7 @@
 #include "sky/engine/core/dom/Microtask.h"
 
 #include "base/bind.h"
-#include "sky/engine/platform/TraceEvent.h"
+#include "base/trace_event/trace_event.h"
 #include "sky/engine/public/platform/WebThread.h"
 #include "sky/engine/wtf/OwnPtr.h"
 #include "sky/engine/wtf/Vector.h"
@@ -71,6 +71,8 @@ void Microtask::performCheckpoint()
 {
     MicrotaskQueue& queue = microtaskQueue();
     while(!queue.isEmpty()) {
+        TRACE_EVENT0("sky", "Microtask::performCheckpoint");
+
         MicrotaskQueue local;
         swap(queue, local);
         for (const auto& task : local)
@@ -78,12 +80,6 @@ void Microtask::performCheckpoint()
     }
 }
 
-// static void microtaskFunctionCallback(void* data)
-// {
-//     OwnPtr<WebThread::Task> task = adoptPtr(static_cast<WebThread::Task*>(data));
-//     task->run();
-// }
-
 void Microtask::enqueueMicrotask(PassOwnPtr<WebThread::Task> callback)
 {
     microtaskQueue().append(callback);
diff --git a/shell/gpu/rasterizer.cc b/shell/gpu/rasterizer.cc
index 8fb6836aafc..52a5525c8d1 100644
--- a/shell/gpu/rasterizer.cc
+++ b/shell/gpu/rasterizer.cc
@@ -4,6 +4,7 @@
 
 #include "sky/shell/gpu/rasterizer.h"
 
+#include "base/trace_event/trace_event.h"
 #include "sky/shell/gpu/ganesh_context.h"
 #include "sky/shell/gpu/ganesh_surface.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ -41,6 +42,8 @@ void Rasterizer::OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) {
 }
 
 void Rasterizer::Draw(skia::RefPtr<SkPicture> picture) {
+  TRACE_EVENT0("sky", "Rasterizer::Draw");
+
   if (!surface_)
     return;
 
@@ -52,13 +55,17 @@ void Rasterizer::Draw(skia::RefPtr<SkPicture> picture) {
   CHECK(context_->MakeCurrent(surface_.get()));
   EnsureGaneshSurface(size);
 
-  SkCanvas* canvas = ganesh_surface_->canvas();
-  canvas->drawPicture(picture.get());
-  canvas->flush();
-
+  DrawPicture(picture.get());
   surface_->SwapBuffers();
 }
 
+void Rasterizer::DrawPicture(SkPicture* picture) {
+  TRACE_EVENT0("sky", "Rasterizer::DrawPicture");
+  SkCanvas* canvas = ganesh_surface_->canvas();
+  canvas->drawPicture(picture);
+  canvas->flush();
+}
+
 void Rasterizer::OnOutputSurfaceDestroyed() {
   ganesh_surface_.reset();
   ganesh_context_.reset();
diff --git a/shell/gpu/rasterizer.h b/shell/gpu/rasterizer.h
index 3fc8a5aaa4d..6118382f8ef 100644
--- a/shell/gpu/rasterizer.h
+++ b/shell/gpu/rasterizer.h
@@ -39,6 +39,7 @@ class Rasterizer : public GPUDelegate {
  private:
   void EnsureGLContext();
   void EnsureGaneshSurface(const gfx::Size& size);
+  void DrawPicture(SkPicture* picture);
 
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gfx::GLSurface> surface_;
diff --git a/shell/ui/engine.cc b/shell/ui/engine.cc
index 80d2463425c..7f906a16689 100644
--- a/shell/ui/engine.cc
+++ b/shell/ui/engine.cc
@@ -5,6 +5,7 @@
 #include "sky/shell/ui/engine.h"
 
 #include "base/bind.h"
+#include "base/trace_event/trace_event.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "sky/engine/public/platform/WebInputEvent.h"
 #include "sky/engine/public/web/Sky.h"
@@ -61,6 +62,8 @@ mojo::ServiceProviderPtr Engine::CreateServiceProvider() {
 }
 
 void Engine::Init() {
+  TRACE_EVENT0("sky", "Engine::Init");
+
   service_provider_ = CreateServiceProvider();
   mojo::NetworkServicePtr network_service;
   mojo::ConnectToService(service_provider_.get(), &network_service);
@@ -70,6 +73,8 @@ void Engine::Init() {
 }
 
 void Engine::BeginFrame(base::TimeTicks frame_time) {
+  TRACE_EVENT0("sky", "Engine::BeginFrame");
+
   double frame_time_sec = (frame_time - base::TimeTicks()).InSecondsF();
   double deadline_sec = frame_time_sec;
   double interval_sec = 1.0 / 60;
@@ -80,6 +85,8 @@ void Engine::BeginFrame(base::TimeTicks frame_time) {
 }
 
 skia::RefPtr<SkPicture> Engine::Paint() {
+  TRACE_EVENT0("sky", "Engine::Paint");
+
   SkRTreeFactory factory;
   SkPictureRecorder recorder;
   auto canvas = skia::SharePtr(recorder.beginRecording(
@@ -137,6 +144,7 @@ blink::WebScreenInfo Engine::screenInfo() {
 }
 
 void Engine::OnInputEvent(InputEventPtr event) {
+  TRACE_EVENT0("sky", "Engine::OnInputEvent");
   scoped_ptr<blink::WebInputEvent> web_event =
       ConvertEvent(event, device_pixel_ratio_);
   if (!web_event)