Disabled metro mode launch for Windows 10, until there some clarity on technical details.

win8/delegate_execute/command_execute_impl.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.
 // Implementation of the CommandExecuteImpl class which implements the
 // IExecuteCommand and related interfaces for handling ShellExecute based
 // launches of the Chrome browser.
 
 #include "win8/delegate_execute/command_execute_impl.h"
 
 #include <shlguid.h>
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/message_window.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_process_information.h"
 #include "base/win/win_util.h"
+#include "base/win/windows_version.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "ui/base/clipboard/clipboard_util_win.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/gfx/win/dpi.h"
@@ skipping 443 matching lines @@
     return launch_mode;
   }
 
   if (launch_mode_determined) {
     AtlTrace("Launch mode forced by cmdline to %s\n", modes[launch_mode]);
     reg_key.WriteValue(chrome::kLaunchModeValue,
                        static_cast<DWORD>(launch_mode));
     return launch_mode;
   }
 
+  // As of now ActivateApplication fails on Windows 10 (Build 9926).
+  // Until there is some clarity on special status of browser in metro mode on
+  // Windows 10, we just  disable Chrome metro mode so that browser remains
+  // usable.
+  if (base::win::GetVersion() >= base::win::VERSION_WIN10) {
+    launch_mode = ECHUIM_DESKTOP;
+    launch_mode_determined = true;
+    return launch_mode;
+  }
+
   // Use the previous mode if available. Else launch in desktop mode.
   DWORD reg_value;
   if (reg_key.ReadValueDW(chrome::kLaunchModeValue,
                           &reg_value) != ERROR_SUCCESS) {
     launch_mode = ECHUIM_DESKTOP;
     AtlTrace("Can't read registry, defaulting to %s\n", modes[launch_mode]);
   } else if (reg_value >= ECHUIM_SYSTEM_LAUNCHER) {
     AtlTrace("Invalid registry launch mode value %u\n", reg_value);
     launch_mode = ECHUIM_DESKTOP;
   } else {
     launch_mode = static_cast<EC_HOST_UI_MODE>(reg_value);
     AtlTrace("Launch mode forced by registry to %s\n", modes[launch_mode]);
   }
 
   launch_mode_determined = true;
   return launch_mode;
 }