Browser Side Text Input State Tracking for OOPIF.

content/browser/web_contents/web_contents_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/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 1639 matching lines @@
   // the subframe has focus.  Drop the event in that case.  Do not give
   // it to the main frame, so that the user doesn't unexpectedly type into the
   // wrong frame if a focused subframe renderer crashes while they type.
   RenderWidgetHostView* view = focused_frame->current_frame_host()->GetView();
   if (!view)
     return nullptr;
 
   return RenderWidgetHostImpl::From(view->GetRenderWidgetHost());
 }
 
+RenderWidgetHostViewBase* WebContentsImpl::GetFocusedView() {
+  FrameTreeNode* focused_frame = frame_tree_.GetFocusedFrame();
+  if (!focused_frame)
+    return nullptr;
+
+  return static_cast<RenderWidgetHostViewBase*>(
+      focused_frame->current_frame_host()->GetView());
+}
+
 void WebContentsImpl::EnterFullscreenMode(const GURL& origin) {
   // This method is being called to enter renderer-initiated fullscreen mode.
   // Make sure any existing fullscreen widget is shut down first.
   RenderWidgetHostView* const widget_view = GetFullscreenRenderWidgetHostView();
   if (widget_view) {
     RenderWidgetHostImpl::From(widget_view->GetRenderWidgetHost())
         ->ShutdownAndDestroyWidget(true);
   }
 
   if (delegate_)
@@ skipping 3091 matching lines @@
     const WebContentsObserver::MediaPlayerId& id) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, MediaStartedPlaying(id));
 }
 
 void WebContentsImpl::MediaStoppedPlaying(
     const WebContentsObserver::MediaPlayerId& id) {
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, MediaStoppedPlaying(id));
 }
 
 }  // namespace content