Revert of Screen.orientation lock API implementation for Windows8 and later.

content/browser/browser_main_loop.cc

 // Copyright (c) 2012 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 "content/browser/browser_main_loop.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 136 matching lines @@
 #if defined(USE_OZONE)
 #include "ui/ozone/public/client_native_pixmap_factory.h"
 #endif
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <commctrl.h>
 #include <shellapi.h>
 
 #include "base/memory/memory_pressure_monitor_win.h"
-#include "base/win/windows_version.h"
-#include "content/browser/screen_orientation/screen_orientation_delegate_win.h"
 #include "content/common/sandbox_win.h"
 #include "net/base/winsock_init.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "base/memory/memory_pressure_monitor_chromeos.h"
 #include "chromeos/chromeos_switches.h"
 #endif
 
@@ skipping 561 matching lines @@
     system_stats_monitor_.reset(
         new base::trace_event::TraceEventSystemStatsMonitor(
             base::ThreadTaskRunnerHandle::Get()));
   }
 
   {
     base::SetRecordActionTaskRunner(
         BrowserThread::GetTaskRunnerForThread(BrowserThread::UI));
   }
 
-#if defined(OS_WIN)
-  if (base::win::GetVersion() >= base::win::VERSION_WIN8)
-    screen_orientation_delegate_.reset(new ScreenOrientationDelegateWin());
-#endif
-
   // Only use discardable_memory::DiscardableSharedMemoryManager when Chrome is
   // not running in mus+ash.
   if (!service_manager::ServiceManagerIsRemote()) {
     discardable_shared_memory_manager_ =
         base::MakeUnique<discardable_memory::DiscardableSharedMemoryManager>();
     // TODO(boliu): kSingleProcess check is a temporary workaround for
     // in-process Android WebView. crbug.com/503724 tracks proper fix.
     if (!parsed_command_line_.HasSwitch(switches::kSingleProcess)) {
       base::DiscardableMemoryAllocator::SetInstance(
           discardable_shared_memory_manager_.get());
@@ skipping 1033 matching lines @@
         BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE),
         MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 
   audio_system_ = media::AudioSystemImpl::Create(audio_manager_.get());
   CHECK(audio_system_);
 }
 
 }  // namespace content