Rename ViewportObserver to SkyEngine

sky/shell/testing/test_runner.h

 // 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.
 
 #ifndef SKY_SHELL_TESTING_TEST_RUNNER_H_
 #define SKY_SHELL_TESTING_TEST_RUNNER_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/common/weak_binding_set.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
+#include "sky/services/engine/sky_engine.mojom.h"
 #include "sky/services/testing/test_harness.mojom.h"
-#include "sky/services/viewport/viewport_observer.mojom.h"
 
 namespace sky {
 namespace shell {
 class ShellView;
 
 class TestRunner : public mojo::InterfaceFactory<TestHarness>,
                    public TestHarness {
  public:
   static TestRunner& Shared();
 
@@ skipping 13 matching lines @@
                       const mojo::Array<uint8_t> pixels) override;
   void DispatchInputEvent(mojo::EventPtr event) override;
 
   TestRunner();
   ~TestRunner() override;
   void ScheduleRun();
   void Run();
 
   std::string package_root_;
   scoped_ptr<ShellView> shell_view_;
-  ViewportObserverPtr viewport_observer_;
+  SkyEnginePtr sky_engine_;
 
   std::string single_test_url_;
   mojo::WeakBindingSet<TestHarness> bindings_;
 
   base::WeakPtrFactory<TestRunner> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace shell
 }  // namespace sky
 
 #endif  // SKY_SHELL_TESTING_TEST_RUNNER_H_