[Chromecast] Add input support.

chromecast/browser/service/cast_service_simple.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 "chromecast/browser/service/cast_service_simple.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 42 matching lines @@
 }
 
 void CastServiceSimple::StartInternal() {
   window_ = CastContentWindow::Create(this);
   web_contents_ = window_->CreateWebContents(browser_context());
   window_->ShowWebContents(web_contents_.get());
 
   web_contents_->GetController().LoadURL(startup_url_, content::Referrer(),
                                          ui::PAGE_TRANSITION_TYPED,
                                          std::string());
+  web_contents_->Focus();
 }
 
 void CastServiceSimple::StopInternal() {
   web_contents_->ClosePage();
   web_contents_.reset();
   window_.reset();
 }
 
 void CastServiceSimple::OnWindowDestroyed() {}
 
 void CastServiceSimple::OnKeyEvent(const ui::KeyEvent& key_event) {}
 
 }  // namespace shell
 }  // namespace chromecast