Introduce InsertIncrementalTextCommand to respect existing style for composition

third_party/WebKit/Source/core/editing/commands/InsertIncrementalTextCommand.h

Index: third_party/WebKit/Source/core/editing/commands/InsertIncrementalTextCommand.h
diff --git a/third_party/WebKit/Source/core/editing/commands/InsertIncrementalTextCommand.h b/third_party/WebKit/Source/core/editing/commands/InsertIncrementalTextCommand.h
new file mode 100644
index 0000000000000000000000000000000000000000..5048d1560abcafe1858ac8f6a7a81f12625cee91
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/commands/InsertIncrementalTextCommand.h
@@ -0,0 +1,39 @@
+// Copyright (c) 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 InsertIncrementalTextCommand_h
+#define InsertIncrementalTextCommand_h
+
+#include "core/editing/commands/InsertTextCommand.h"
+
+namespace blink {
+
+class InsertIncrementalTextCommand final : public InsertTextCommand {
+ public:
+  static InsertIncrementalTextCommand* create(
+      Document& document,
+      const String& text,
+      bool selectInsertedText = false,
+      RebalanceType rebalanceType = RebalanceLeadingAndTrailingWhitespaces) {
+    return new InsertIncrementalTextCommand(document, text, selectInsertedText,

[yosin_UTC9, 2016/12/07 05:23:34]

Let's move to .cpp file:
https://www.chromium.org/developers/coding-style/cpp-dos-and-donts

[yabinh, 2016/12/08 07:54:58]

Done.

+                                            rebalanceType);
+  }
+
+ private:
+  InsertIncrementalTextCommand(Document&,
+                               const String& text,
+                               bool selectInsertedText,
+                               RebalanceType);
+  const VisibleSelection computeSelectionForInsertion(
+      const size_t selectionStart,

[yosin_UTC9, 2016/12/07 05:23:34]

Let's use |int| since other functions use |int|.

[yabinh, 2016/12/08 07:54:58]

This function has been removed.

+      const size_t selectionEnd,
+      const size_t commonPrefixLength,
+      const size_t commonSuffixLength);
+  void setSelection(const size_t start, const size_t end, LocalFrame*);
+  void doApply(EditingState*) override;
+};
+
+}  // namespace blink
+
+#endif  // InsertIncrementalTextCommand_h