Replace ViewHostMsg_TextInputState_Params with content::TextInputState.

content/common/text_input_state.h

Index: content/common/text_input_state.h
diff --git a/content/common/text_input_state.h b/content/common/text_input_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..e75f24aecc61b27fdd79897feeb52b93b0169098
--- /dev/null
+++ b/content/common/text_input_state.h
@@ -0,0 +1,60 @@
+// Copyright 2016 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 CONTENT_COMMON_TEXT_INPUT_STATE_H_
+#define CONTENT_COMMON_TEXT_INPUT_STATE_H_
+
+#include <string>
+
+#include "content/common/content_export.h"
+#include "ui/base/ime/text_input_mode.h"
+#include "ui/base/ime/text_input_type.h"
+
+namespace content {
+
+struct CONTENT_EXPORT TextInputState {

[Charlie Reis, 2016/04/22 23:02:38]

Let's put a top-level comment on this class here, saying how this relates to IME
support (and/or anything else it's used for).

[EhsanK, 2016/04/25 19:09:00]

Done.

+  TextInputState();
+  TextInputState(const TextInputState& other);

[Charlie Reis, 2016/04/22 23:02:38]

nit: Add blank line after.

[EhsanK, 2016/04/25 19:09:00]

Done.

+  // Type of the input field.
+  ui::TextInputType type;
+
+  // The mode of input field.
+  ui::TextInputMode mode;
+
+  // The flags of input field (autocorrect, autocomplete, etc.)
+  int flags;
+
+  // The value of input field.
+  std::string value;
+
+  // The cursor position of the current selection start, or the caret position
+  // if nothing is selected.
+  int selection_start;
+
+  // The cursor position of the current selection end, or the caret position if
+  // nothing is selected.
+  int selection_end;
+
+  // The start position of the current composition, or -1 if there is none.
+  int composition_start;
+
+  // The end position of the current composition, or -1 if there is none.
+  int composition_end;
+
+  // Whether or not inline composition can be performed for the current input.
+  bool can_compose_inline;
+
+  // Whether or not the IME should be shown as a result of this update. Even if
+  // true, the IME will only be shown if the input is appropriate (e.g. not
+  // TEXT_INPUT_TYPE_NONE).
+  bool show_ime_if_needed;
+
+  // Whether this change is originated from non-IME (e.g., Javascript,
+  // Autofill).
+  bool is_non_ime_change;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_TEXT_INPUT_STATE_H_