Revert of Moves code from chromeos/ime to ui/base/ime/chromeos.

chromeos/ime/input_method_whitelist.h

+// 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.
+
+#ifndef CHROMEOS_IME_INPUT_METHOD_WHITELIST_H_
+#define CHROMEOS_IME_INPUT_METHOD_WHITELIST_H_
+
+#include <set>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "chromeos/chromeos_export.h"
+
+namespace chromeos {
+namespace input_method {
+
+class InputMethodDescriptor;
+typedef std::vector<InputMethodDescriptor> InputMethodDescriptors;
+
+// A class which has white listed input method list. The list is generated by
+// gen_input_methods.py from input_methods.txt.
+class CHROMEOS_EXPORT InputMethodWhitelist {
+ public:
+  InputMethodWhitelist();
+  ~InputMethodWhitelist();
+
+  // Returns true if |input_method_id| is whitelisted.
+  bool InputMethodIdIsWhitelisted(const std::string& input_method_id) const;
+
+  // Returns all input methods that are supported, including ones not active.
+  // This function never returns NULL. Note that input method extensions are not
+  // included in the result.
+  scoped_ptr<InputMethodDescriptors> GetSupportedInputMethods() const;
+
+ private:
+  std::set<std::string> supported_input_methods_;
+
+  DISALLOW_COPY_AND_ASSIGN(InputMethodWhitelist);
+};
+
+}  // namespace input_method
+}  // namespace chromeos
+
+#endif  // CHROMEOS_IME_INPUT_METHOD_WHITELIST_H_