Extract a delegate interface from c/b/input_method to permit decoupling from c/b.

chrome/browser/chromeos/input_method/mock_input_method_delegate.h

Index: chrome/browser/chromeos/input_method/mock_input_method_delegate.h
diff --git a/chrome/browser/chromeos/input_method/mock_input_method_delegate.h b/chrome/browser/chromeos/input_method/mock_input_method_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..3df2e9098c12fd033fed8888837e9b475e0612b7
--- /dev/null
+++ b/chrome/browser/chromeos/input_method/mock_input_method_delegate.h
@@ -0,0 +1,69 @@
+// Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_DELEGATE_H_
+#define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_DELEGATE_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/chromeos/input_method/input_method_delegate.h"
+
+namespace chromeos {
+namespace input_method {
+
+class MockInputMethodDelegate : public InputMethodDelegate {
+ public:
+  MockInputMethodDelegate();
+  virtual ~MockInputMethodDelegate();
+  virtual void SetSystemInputMethod(
+      const std::string& input_method) OVERRIDE;
+
+  virtual void SetUserInputMethod(const std::string& input_method) OVERRIDE;

[Seigo Nonaka, 2012/12/08 08:37:58]

Nit: plz add override comment like "InputMethodDelegate overrides:" for
consistency.

+
+  virtual std::string GetHardwareKeyboardLayout() const OVERRIDE;
+
+  virtual std::string GetActiveLocale() const OVERRIDE;
+
+  int update_system_input_method_count() const {
+    return update_system_input_method_count_;
+  }
+
+  int update_user_input_method_count() const {
+    return update_user_input_method_count_;
+  }
+
+  void set_hardware_keyboard_layout(const std::string& value) {
+    hardware_keyboard_layout_ = value;
+  }
+
+  void set_active_locale(const std::string& value) {
+    active_locale_ = value;
+  }
+
+  const std::string& system_input_method() const {
+    return system_input_method_;
+  }
+
+  const std::string& user_input_method() const {
+    return user_input_method_;
+  }
+
+ private:
+  std::string hardware_keyboard_layout_;
+  std::string active_locale_;
+  std::string system_input_method_;
+  std::string user_input_method_;
+
+  int update_system_input_method_count_;
+  int update_user_input_method_count_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockInputMethodDelegate);
+};
+
+}  // namespace input_method
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_DELEGATE_H_