Makes sure the keyboard typing isn't blocked when InputMethod::OnFocus() is not correctly called.

ui/base/ime/input_method_log_collector.h

Index: ui/base/ime/input_method_log_collector.h
diff --git a/ui/base/ime/input_method_log_collector.h b/ui/base/ime/input_method_log_collector.h
new file mode 100644
index 0000000000000000000000000000000000000000..a75b9ccb6cd9a43d774d1399a7316cdb6157fe48
--- /dev/null
+++ b/ui/base/ime/input_method_log_collector.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2016 The Chromium Authors. All rights reserved.

[sky, 2016/01/08 16:51:57]

don't use (c) anymore.

[Shu Chen, 2016/01/09 01:46:02]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_IME_INPUT_METHOD_LOG_COLLECTOR_H_
+#define UI_BASE_IME_INPUT_METHOD_LOG_COLLECTOR_H_
+
+#include <string>
+#include <vector>
+
+#include "ui/base/ime/ui_base_ime_export.h"
+
+namespace ui {
+
+class UI_BASE_IME_EXPORT InputMethodLogCollector {
+ public:
+  InputMethodLogCollector();
+  virtual ~InputMethodLogCollector();
+  void AddLog(const std::string& log_string);
+  void OutputLogs();
+  void ClearLogs();
+
+ private:
+  std::vector<std::string> logs_;
+};
+
+}  // namespace ui
+
+#endif  // UI_BASE_IME_INPUT_METHOD_LOG_COLLECTOR_H_