Introduce RemoteInputMethodWin

ui/base/ime/remote_input_method_delegate_win.h

Index: ui/base/ime/remote_input_method_delegate_win.h
diff --git a/ui/base/ime/remote_input_method_delegate_win.h b/ui/base/ime/remote_input_method_delegate_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..3ab2a81929e749520b56b6601acb5a8a73c5db97
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+++ b/ui/base/ime/remote_input_method_delegate_win.h
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+// Copyright (c) 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 UI_BASE_IME_REMOTE_INPUT_METHOD_DELEGATE_WIN_H_
+#define UI_BASE_IME_REMOTE_INPUT_METHOD_DELEGATE_WIN_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "ui/base/ui_export.h"
+#include "ui/gfx/rect.h"
+
+namespace ui {
+namespace internal {
+
+// An interface implemented by the object to forward events that should be
+// handled by the IME which is running in the remote metro_driver process.
+class UI_EXPORT RemoteInputMethodDelegateWin {
+ public:
+  virtual ~RemoteInputMethodDelegateWin() {}
+
+  // Notifies that composition should be canceled (if any).
+  virtual void CancelComposition() = 0;
+
+  // Notifies that properties of the focused TextInputClient is changed.
+  // Note that an empty |input_scopes| represents that TextInputType is
+  // TEXT_INPUT_TYPE_NONE.
+  // Caveats: |input_scopes| is defined as std::vector<int32> rather than
+  // std::vector<InputScope> because the wire format of IPC message
+  // MetroViewerHostMsg_ImeTextInputClientUpdated uses std::vector<int32> to
+  // avoid dependency on <InputScope.h> header.
+  virtual void OnTextInputClientUpdated(
+      const std::vector<int32>& input_scopes,
+      const std::vector<gfx::Rect>& composition_character_bounds) = 0;
+};
+
+}  // namespace internal
+}  // namespace ui
+
+#endif  // UI_BASE_IME_REMOTE_INPUT_METHOD_DELEGATE_WIN_H_