Support tracking focused node element for OOPIFs.

content/public/test/text_input_test_utils.cc

 // 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.
 
 #include "content/public/test/text_input_test_utils.h"
 
 #include <unordered_set>
 
+#include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/renderer_host/render_widget_host_view_base_observer.h"
 #include "content/browser/renderer_host/text_input_manager.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/input_messages.h"
 #include "content/common/text_input_state.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/render_widget_host_view.h"
@@ skipping 230 matching lines @@
   TextInputManager* manager =
       static_cast<WebContentsImpl*>(web_contents)->GetTextInputManager();
   if (!manager || !manager->GetActiveWidget())
     return false;
 
   manager->GetActiveWidget()->Send(new InputMsg_RequestCompositionUpdate(
       manager->GetActiveWidget()->GetRoutingID(), true, false));
   return true;
 }
 
+bool DoesFrameHaveFocusedEditableElement(RenderFrameHost* frame) {
+  return static_cast<RenderFrameHostImpl*>(frame)
+      ->has_focused_editable_element();
+}
+
 size_t GetRegisteredViewsCountFromTextInputManager(WebContents* web_contents) {
   std::unordered_set<RenderWidgetHostView*> views;
   TextInputManager* manager =
       static_cast<WebContentsImpl*>(web_contents)->GetTextInputManager();
   return !!manager ? manager->GetRegisteredViewsCountForTesting() : 0;
 }
 
 RenderWidgetHostView* GetActiveViewFromWebContents(WebContents* web_contents) {
   return static_cast<WebContentsImpl*>(web_contents)
       ->GetTextInputManager()
@@ skipping 136 matching lines @@
 
 #ifdef USE_AURA
   RenderWidgetHostViewAura* view = static_cast<RenderWidgetHostViewAura*>(
       web_contents->GetRenderWidgetHostView());
   observer.reset(new InputMethodObserverAura(view->GetInputMethod()));
 #endif
   return observer;
 }
 
 }  // namespace content