[WIP Approach 1] Straighten up input method reactivation

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 1673 matching lines @@
   // If we change the zoom level for the view, make sure any subsequent subframe
   // loads reflect the current zoom level.
   page_zoom_level_ = zoom_level;
 
   webview()->setZoomLevel(zoom_level);
   for (auto& observer : observers_)
     observer.OnZoomLevelChanged();
 }
 
 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
-  Send(new InputHostMsg_ImeCancelComposition(GetRoutingID()));
+  GetWidget()->CancelComposition();
 }
 
 void RenderViewImpl::SetValidationMessageDirection(
     base::string16* wrapped_main_text,
     blink::WebTextDirection main_text_hint,
     base::string16* wrapped_sub_text,
     blink::WebTextDirection sub_text_hint) {
   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
     *wrapped_main_text =
         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
@@ skipping 151 matching lines @@
 
   gfx::Rect node_bounds;
   bool is_editable = false;
   if (!toNode.isNull() && toNode.isElementNode()) {
     WebElement element = const_cast<WebNode&>(toNode).to<WebElement>();
     blink::WebRect rect = element.boundsInViewport();
     ConvertViewportToWindowViaWidget(&rect);
     node_bounds = gfx::Rect(rect);
     is_editable = element.isEditable();
   }
-  Send(new ViewHostMsg_FocusedNodeChanged(GetRoutingID(), is_editable,
-                                          node_bounds));
+
+  GetWidget()->OnFocusedNodeChanged(is_editable, node_bounds);
 
   // TODO(estade): remove.
   for (auto& observer : observers_)
     observer.FocusedNodeChanged(toNode);
 
   RenderFrameImpl* previous_frame = nullptr;
   if (!fromNode.isNull())
     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
   RenderFrameImpl* new_frame = nullptr;
   if (!toNode.isNull())
@@ skipping 1164 matching lines @@
     NotifyInputEventHandled(input_event->type,
                             INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   }
 
   std::unique_ptr<InputEventAck> ack(
       new InputEventAck(input_event->type, INPUT_EVENT_ACK_STATE_NOT_CONSUMED));
   OnInputEventAck(std::move(ack));
 }
 
 }  // namespace content