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

win8/delegate_execute/command_execute_impl.cc

Index: win8/delegate_execute/command_execute_impl.cc
diff --git a/win8/delegate_execute/command_execute_impl.cc b/win8/delegate_execute/command_execute_impl.cc
index 4b6636b2e7c8e042cd20bb9562c6dc5bc76633ce..ba7f7f8327a510ce5bfd6c8a06d76c49bb448536 100644
--- a/win8/delegate_execute/command_execute_impl.cc
+++ b/win8/delegate_execute/command_execute_impl.cc
@@ -19,6 +19,7 @@
 #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"
@@ -482,6 +483,16 @@ EC_HOST_UI_MODE CommandExecuteImpl::GetLaunchMode() {
     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,