[Android] Restart input only once on focus change

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 1867 matching lines @@
     const blink::WebFloatPoint& positionInViewport,
     const blink::WebFloatSize& velocityInViewport) {
   RenderWidget::didOverscroll(overscrollDelta, accumulatedOverscroll,
                               positionInViewport, velocityInViewport);
 }
 
 void RenderViewImpl::hasTouchEventHandlers(bool has_handlers) {
   RenderWidget::hasTouchEventHandlers(has_handlers);
 }
 
-void RenderViewImpl::resetInputMethod() {
-  RenderWidget::resetInputMethod();
-}
-
 blink::WebRect RenderViewImpl::rootWindowRect() {
   return RenderWidget::windowRect();
 }
 
 blink::WebScreenInfo RenderViewImpl::screenInfo() {
   return RenderWidget::screenInfo();
 }
 
 void RenderViewImpl::setToolTipText(const blink::WebString& text,
                                     blink::WebTextDirection hint) {
@@ skipping 834 matching lines @@
                             INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   }
 
   std::unique_ptr<InputEventAck> ack(
       new InputEventAck(InputEventAckSource::MAIN_THREAD, input_event->type(),
                         INPUT_EVENT_ACK_STATE_NOT_CONSUMED));
   OnInputEventAck(std::move(ack));
 }
 
 }  // namespace content