Rename ViewportObserver to SkyEngine

sky/shell/testing/test_runner.cc

 // Copyright 2014 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/testing/test_runner.h"
 
 #include <iostream>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 42 matching lines @@
 const char kFileUrlPrefix[] = "file://";
 static TestRunner* g_test_runner = nullptr;
 
 }  // namespace
 
 TestRunner::TestRunner()
   : shell_view_(new ShellView(Shell::Shared())),
     weak_ptr_factory_(this) {
   CHECK(!g_test_runner) << "Only create one TestRunner.";
 
-  shell_view_->view()->ConnectToViewportObserver(GetProxy(&viewport_observer_));
-  viewport_observer_->OnViewportMetricsChanged(320, 640, 1.0);
+  shell_view_->view()->ConnectToEngine(GetProxy(&sky_engine_));
+  sky_engine_->OnViewportMetricsChanged(320, 640, 1.0);
 }
 
 TestRunner::~TestRunner() {
 }
 
 TestRunner& TestRunner::Shared() {
   if (!g_test_runner)
     g_test_runner = new TestRunner();
   return *g_test_runner;
 }
@@ skipping 39 matching lines @@
     data.url = single_test_url_;
   } else {
     WaitForURL(data);
   }
 
   std::cout << "#BEGIN\n";
   std::cout.flush();
 
   if (StartsWithASCII(data.url, kFileUrlPrefix, true))
     ReplaceFirstSubstringAfterOffset(&data.url, 0, kFileUrlPrefix, "");
-  viewport_observer_->RunFromFile(data.url, package_root_);
+  sky_engine_->RunFromFile(data.url, package_root_);
 }
 
 }  // namespace shell
 }  // namespace sky