Don't show the virtual keyboard if there's no text input client

content/browser/renderer_host/render_widget_host_view_aura.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_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 2284 matching lines @@
     bool did_update_state) {
   DCHECK_EQ(text_input_manager_, text_input_manager);
 
   if (!GetInputMethod())
     return;
 
   if (did_update_state)
     GetInputMethod()->OnTextInputTypeChanged(this);
 
   const TextInputState* state = text_input_manager_->GetTextInputState();
-  if (state && state->show_ime_if_needed)
+  if (state && state->show_ime_if_needed &&
+      GetInputMethod()->GetTextInputClient() == this) {
     GetInputMethod()->ShowImeIfNeeded();
-
+  }
 
   if (state && state->type != ui::TEXT_INPUT_TYPE_NONE) {
     // Start monitoring the composition information if the focused node is
     // editable.
     RenderWidgetHostImpl* last_active_widget =
         text_input_manager_->GetActiveWidget();
     last_active_widget_routing_id_ = last_active_widget->GetRoutingID();
     last_active_widget_process_id_ = last_active_widget->GetProcess()->GetID();
     last_active_widget->Send(new InputMsg_RequestCompositionUpdate(
         last_active_widget->GetRoutingID(), false /* immediate request */,
@@ skipping 65 matching lines @@
 
 void RenderWidgetHostViewAura::SetPopupChild(
     RenderWidgetHostViewAura* popup_child_host_view) {
   popup_child_host_view_ = popup_child_host_view;
   event_handler_->SetPopupChild(
       popup_child_host_view,
       popup_child_host_view ? popup_child_host_view->event_handler() : nullptr);
 }
 
 }  // namespace content