Rename ViewportObserver to SkyEngine

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/files/file_path.h"
 #include "base/threading/worker_pool.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 36 matching lines @@
 Engine::Config::Config() {
 }
 
 Engine::Config::~Config() {
 }
 
 Engine::Engine(const Config& config)
     : config_(config),
       animator_(new Animator(config, this)),
       device_pixel_ratio_(1.0f),
-      viewport_observer_binding_(this),
+      binding_(this),
       weak_factory_(this) {
 }
 
 Engine::~Engine() {
 }
 
 base::WeakPtr<Engine> Engine::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
@@ skipping 30 matching lines @@
     skia::RefPtr<SkPicture> picture = sky_view_->Paint();
     canvas->clear(SK_ColorBLACK);
     canvas->scale(device_pixel_ratio_, device_pixel_ratio_);
     if (picture)
       canvas->drawPicture(picture.get());
   }
 
   return skia::AdoptRef(recorder.endRecordingAsPicture());
 }
 
-void Engine::ConnectToViewportObserver(
-    mojo::InterfaceRequest<ViewportObserver> request) {
-  viewport_observer_binding_.Bind(request.Pass());
+void Engine::ConnectToEngine(mojo::InterfaceRequest<SkyEngine> request) {
+  binding_.Bind(request.Pass());
 }
 
 void Engine::OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) {
   config_.gpu_task_runner->PostTask(
       FROM_HERE, base::Bind(&GPUDelegate::OnAcceleratedWidgetAvailable,
                             config_.gpu_delegate, widget));
   if (sky_view_)
     ScheduleFrame();
 }
 
@@ skipping 80 matching lines @@
 
 void Engine::DidNavigateLocally(const mojo::String& url) {
 }
 
 void Engine::RequestNavigateHistory(int32_t delta) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace shell
 }  // namespace sky