text input focus: Supports Window::GetFocusedTextInputClient.

content/browser/web_contents/web_contents_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/web_contents/web_contents_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/metrics/histogram.h"
@@ skipping 1417 matching lines @@
             aura::client::kConstrainedWindowKey)) {
       gfx::Rect bounds = window_->children()[i]->bounds();
       bounds.set_origin(
           gfx::Point((new_bounds.width() - bounds.width()) / 2,
                      (new_bounds.height() - bounds.height()) / 2));
       window_->children()[i]->SetBounds(bounds);
     }
   }
 }
 
+ui::TextInputClient* WebContentsViewAura::GetFocusedTextInputClient() {
+  return nullptr;
+}
+
 gfx::NativeCursor WebContentsViewAura::GetCursor(const gfx::Point& point) {
   return gfx::kNullCursor;
 }
 
 int WebContentsViewAura::GetNonClientComponent(const gfx::Point& point) const {
   return HTCLIENT;
 }
 
 bool WebContentsViewAura::ShouldDescendIntoChildForEventHandling(
     aura::Window* child,
@@ skipping 185 matching lines @@
   if (visible) {
     if (!web_contents_->should_normally_be_visible())
       web_contents_->WasShown();
   } else {
     if (web_contents_->should_normally_be_visible())
       web_contents_->WasHidden();
   }
 }
 
 }  // namespace content