Remove remote tree host and some related input and metro_driver code

chrome/browser/ui/ash/launcher/chrome_launcher_controller_win.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_win.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_win.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_win.cc
deleted file mode 100644
index 29ec4ac1ed777b74b59734b9b64578d7553dcd52..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_win.cc
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2013 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 "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
-
-#include "base/path_service.h"
-#include "base/strings/string16.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/host_desktop.h"
-#include "chrome/common/chrome_switches.h"
-#include "extensions/browser/app_window/app_window.h"
-#include "extensions/browser/app_window/app_window_registry.h"
-#include "extensions/common/constants.h"
-#include "ui/aura/remote_window_tree_host_win.h"
-
-bool ChromeLauncherController::LaunchedInNativeDesktop(
-    const std::string& app_id) {
-  // If an app has any existing windows on the native desktop, funnel the
-  // launch request through the viewer process to desktop Chrome. This allows
-  // Ash to relinquish foreground window status and trigger a switch to
-  // desktop mode.
-  extensions::AppWindow* any_existing_window =
-      extensions::AppWindowRegistry::Get(profile())
-          ->GetCurrentAppWindowForApp(app_id);
-  if (!any_existing_window ||
-      chrome::GetHostDesktopTypeForNativeWindow(
-          any_existing_window->GetNativeWindow())
-      != chrome::HOST_DESKTOP_TYPE_NATIVE) {
-    return false;
-  }
-  base::FilePath exe_path;
-  if (!PathService::Get(base::FILE_EXE, &exe_path)) {
-    NOTREACHED();
-    return false;
-  }
-
-  // Construct parameters for ShellExecuteEx that mimic a desktop shortcut
-  // for the app in the current Profile.
-  std::string spec = base::StringPrintf("\"--%s=%s\" \"--%s=%s\"",
-      switches::kProfileDirectory,
-      profile_->GetPath().BaseName().AsUTF8Unsafe().c_str(),
-      switches::kAppId,
-      app_id.c_str());
-  aura::RemoteWindowTreeHostWin::Instance()->HandleOpenURLOnDesktop(
-      exe_path, base::UTF8ToUTF16(spec));
-  return true;
-}