Factor out RenderWidgetHostConnector

content/browser/renderer_host/render_widget_host_view_android.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/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 478 matching lines @@
   CreateOverscrollControllerIfPossible();
 
   if (GetTextInputManager())
     GetTextInputManager()->AddObserver(this);
 }
 
 RenderWidgetHostViewAndroid::~RenderWidgetHostViewAndroid() {
   if (content_view_core_)
     content_view_core_->RemoveObserver(this);
   SetContentViewCore(NULL);
-  if (ime_adapter_android_)
+  if (ime_adapter_android_) {
+    ime_adapter_android_->ResetRenderWidgetHostView(this);

[boliu, 2017/04/11 15:16:13]

no I mean this should be render_widget_host_connector

     ime_adapter_android_ = nullptr;
+  }
   DCHECK(ack_callbacks_.empty());
   DCHECK(!delegated_frame_host_);
 }
 
 void RenderWidgetHostViewAndroid::Blur() {
   host_->Blur();
   if (overscroll_controller_)
     overscroll_controller_->Disable();
 }
 
@@ skipping 1664 matching lines @@
 
   ui::WindowAndroidCompositor* compositor = window_android->GetCompositor();
   if (!compositor)
     return;
 
   overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>(
       overscroll_refresh_handler, compositor, view_.GetDipScale());
 }
 
 }  // namespace content