Manky attempt with TextInputClient

content/browser/accessibility/browser_accessibility.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/accessibility/browser_accessibility.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 1111 matching lines @@
 gfx::Rect BrowserAccessibility::GetScreenBoundsRect() const {
   gfx::Rect bounds = GetPageBoundsRect();
 
   // Adjust the bounds by the top left corner of the containing view's bounds
   // in screen coordinates.
   bounds.Offset(manager_->GetViewBounds().OffsetFromOrigin());
 
   return bounds;
 }
 
+ui::TextInputClient* BrowserAccessibility::GetTextInputClient() const {
+  return nullptr;  // Could BlinkAXTreeSource implement TextInputClient?
+}
+
 gfx::NativeViewAccessible BrowserAccessibility::HitTestSync(int x, int y) {
   auto* accessible = manager_->CachingAsyncHitTest(gfx::Point(x, y));
   if (!accessible)
     return nullptr;
 
   return accessible->GetNativeViewAccessible();
 }
 
 gfx::NativeViewAccessible BrowserAccessibility::GetFocus() {
   auto* focused = manager()->GetFocus();
@@ skipping 21 matching lines @@
 
   if (data.action == ui::AX_ACTION_FOCUS) {
     manager_->SetFocus(*this);
     return true;
   }
 
   return false;
 }
 
 }  // namespace content