Makes views be initially hidden

sky/tools/tester/tester.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 <iostream>
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
@@ skipping 56 matching lines @@
       mojo::View* root,
       mojo::ServiceProviderImpl* exported_services,
       scoped_ptr<mojo::ServiceProvider> remote_service_provider) override {
     view_manager_ = view_manager;
     root_ = root;
     root_->AddObserver(this);
 
     content_ = mojo::View::Create(view_manager_);
     content_->SetBounds(root_->bounds());
     root_->AddChild(content_);
+    content_->SetVisible(true);
 
     std::cout << "#READY\n";
     std::cout.flush();
     ScheduleRun();
   }
 
   // Overridden from WindowManagerDelegate:
   virtual void Embed(
       const mojo::String& url,
       mojo::InterfaceRequest<mojo::ServiceProvider> service_provider) override {
@@ skipping 52 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SkyTester);
 };
 
 }  // namespace tester
 }  // namespace examples
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new sky::tester::SkyTester);
   return runner.Run(shell_handle);
 }