Use RemoteInputMethodWin in production

ui/base/ime/remote_input_method_win.cc

Index: ui/base/ime/remote_input_method_win.cc
diff --git a/ui/base/ime/remote_input_method_win.cc b/ui/base/ime/remote_input_method_win.cc
index 3f0ff991e9e5906f5caf1284e8783849cb81ad86..3167c20ffb4c13a8ad6a07db83c16fa4f04c51a7 100644
--- a/ui/base/ime/remote_input_method_win.cc
+++ b/ui/base/ime/remote_input_method_win.cc
@@ -6,6 +6,8 @@
 
 #include "base/observer_list.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/win/metro.h"
+#include "base/win/scoped_handle.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ime/input_method_delegate.h"
 #include "ui/base/ime/input_method_observer.h"
@@ -373,6 +375,17 @@ class RemoteInputMethodWin : public InputMethod,
 
 }  // namespace
 
+bool IsRemoteInputMethodWinRequired(gfx::AcceleratedWidget widget) {
+  DWORD process_id = 0;
+  if (GetWindowThreadProcessId(widget, &process_id) == 0)
+    return false;
+  base::win::ScopedHandle process_handle(::OpenProcess(
+      PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id));
+  if (!process_handle.IsValid())
+    return false;
+  return base::win::IsProcessImmersive(process_handle.Get());
+}
+
 RemoteInputMethodPrivateWin::RemoteInputMethodPrivateWin() {}
 
 scoped_ptr<InputMethod> CreateRemoteInputMethodWin(