Introduce WebInputMethodController to blink

components/test_runner/web_widget_test_proxy.h

 // 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 COMPONENTS_TEST_RUNNER_WEB_WIDGET_TEST_PROXY_H_
 #define COMPONENTS_TEST_RUNNER_WEB_WIDGET_TEST_PROXY_H_
 
 #include <memory>
 
 #include "base/logging.h"
@@ skipping 104 matching lines @@
     widget_test_client()->requestPointerUnlock();
   }
   bool isPointerLocked() override {
     return widget_test_client()->isPointerLocked();
   }
   void setToolTipText(const blink::WebString& text,
                       blink::WebTextDirection hint) override {
     Base::setToolTipText(text, hint);
     widget_test_client()->setToolTipText(text, hint);
   }
-  void resetInputMethod() override { widget_test_client()->resetInputMethod(); }
 
  private:
   virtual ~WebWidgetTestProxy() {}
 
   DISALLOW_COPY_AND_ASSIGN(WebWidgetTestProxy);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_WIDGET_TEST_PROXY_H_