Teach SkyView path to draw a circle

sky/shell/ui/engine.cc

 // Copyright 2015 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 "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"
@@ skipping 67 matching lines @@
 
 skia::RefPtr<SkPicture> Engine::Paint() {
   TRACE_EVENT0("sky", "Engine::Paint");
 
   SkRTreeFactory factory;
   SkPictureRecorder recorder;
   auto canvas = skia::SharePtr(recorder.beginRecording(
       physical_size_.width(), physical_size_.height(), &factory,
       SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag));
 
+  if (sky_view_) {
+    skia::RefPtr<SkPicture> picture = sky_view_->Paint();
+    canvas->clear(SK_ColorBLACK);
+    if (picture)
+      canvas->drawPicture(picture.get());
+  }
+
   if (web_view_)
     web_view_->paint(canvas.get(), blink::WebRect(gfx::Rect(physical_size_)));
 
   return skia::AdoptRef(recorder.endRecordingAsPicture());
 }
 
 void Engine::ConnectToViewportObserver(
     mojo::InterfaceRequest<ViewportObserver> request) {
   viewport_observer_binding_.Bind(request.Pass());
 }
@@ skipping 44 matching lines @@
   scoped_ptr<blink::WebInputEvent> web_event =
       ConvertEvent(event, device_pixel_ratio_);
   if (!web_event)
     return;
   web_view_->handleInputEvent(*web_event);
 }
 
 void Engine::LoadURL(const mojo::String& url) {
   // Enable SkyView here.
   if (false) {
-    sky_view_ = blink::SkyView::Create();
+    sky_view_ = blink::SkyView::Create(this);
     sky_view_->Load(GURL(url));
     return;
   }
 
   // Something bad happens if you try to call WebView::close and replace
   // the webview.  So for now we just load into the existing one. :/
   if (!web_view_)
     web_view_ = blink::WebView::create(this);
   ConfigureSettings(web_view_->settings());
   web_view_->setMainFrame(blink::WebLocalFrame::create(this));
@@ skipping 12 matching lines @@
 void Engine::scheduleVisualUpdate() {
   animator_->RequestFrame();
 }
 
 void Engine::didCreateIsolate(blink::WebLocalFrame* frame,
                               Dart_Isolate isolate) {
   Internals::Create(isolate,
                     CreateServiceProvider(config_.service_provider_context));
 }
 
+void Engine::SchedulePaint() {
+  animator_->RequestFrame();
+}
+
 blink::ServiceProvider* Engine::services() {
   return this;
 }
 
 mojo::NavigatorHost* Engine::NavigatorHost() {
   return this;
 }
 
 void Engine::RequestNavigate(mojo::Target target,
                              mojo::URLRequestPtr request) {
   // Ignoring target for now.
   base::MessageLoop::current()->PostTask(FROM_HERE,
       base::Bind(&Engine::LoadURL, GetWeakPtr(), request->url));
 }
 
 void Engine::DidNavigateLocally(const mojo::String& url) {
 }
 
 void Engine::RequestNavigateHistory(int32_t delta) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace shell
 }  // namespace sky