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diff --git a/chromium/ppapi/cpp/text_input_controller.h b/chromium/ppapi/cpp/text_input_controller.h
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+// 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 PPAPI_CPP_TEXT_INPUT_CONTROLLER_H_
+#define PPAPI_CPP_TEXT_INPUT_CONTROLLER_H_
+
+#include <string>
+
+#include "ppapi/c/ppb_text_input_controller.h"
+#include "ppapi/cpp/instance_handle.h"
+#include "ppapi/cpp/var.h"
+
+/// @file
+/// This file defines the APIs for text input handling.
+
+namespace pp {
+
+class Rect;
+class Instance;
+
+/// This class can be used for giving hints to the browser about the text input
+/// status of plugins.
+class TextInputController {
+ public:
+  /// A constructor for creating a <code>TextInputController</code>.
+  ///
+  /// @param[in] instance The instance with which this resource will be
+  /// associated.
+  explicit TextInputController(const InstanceHandle& instance);
+
+  /// Destructor.
+  ~TextInputController();
+
+  /// SetTextInputType() informs the browser about the current text input mode
+  /// of the plugin.
+  ///
+  /// @param[in] type The type of text input type.
+  void SetTextInputType(PP_TextInput_Type type);
+
+  /// UpdateCaretPosition() informs the browser about the coordinates of the
+  /// text input caret area.
+  ///
+  /// @param[in] caret A rectangle indicating the caret area.
+  void UpdateCaretPosition(const Rect& caret);
+
+  /// CancelCompositionText() informs the browser that the current composition
+  /// text is cancelled by the plugin.
+  void CancelCompositionText();
+
+  /// UpdateSurroundingText() informs the browser about the current text
+  /// selection and surrounding text.
+  ///
+  /// @param[in] text A UTF-8 sting indicating string buffer of current input
+  /// context.
+  ///
+  /// @param[in] caret A integer indicating the byte index of caret location in
+  /// <code>text</code>.
+  ///
+  /// @param[in] caret A integer indicating the byte index of anchor location in
+  /// <code>text</code>. If there is no selection, this value should be equal to
+  /// <code>caret</code>.
+  void UpdateSurroundingText(const Var& text,
+                             uint32_t caret,
+                             uint32_t anchor);
+
+ private:
+  InstanceHandle instance_;
+};
+
+}  // namespace pp
+
+#endif  // PPAPI_CPP_TEXT_INPUT_CONTROLLER_H_