Introduce a type of View background that stays in sync with its host

chrome/browser/ui/views/location_bar/location_bar_view.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 "chrome/browser/ui/views/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/i18n/rtl.h"
@@ skipping 181 matching lines @@
   omnibox_view_->Init();
   AddChildView(omnibox_view_);
 
   // Initialize the inline autocomplete view which is visible only when IME is
   // turned on.  Use the same font with the omnibox and highlighted background.
   ime_inline_autocomplete_view_ =
       new views::Label(base::string16(), {font_list});
   ime_inline_autocomplete_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   ime_inline_autocomplete_view_->SetAutoColorReadabilityEnabled(false);
   ime_inline_autocomplete_view_->set_background(
-      views::Background::CreateSolidBackground(GetNativeTheme()->GetSystemColor(
-          ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused)));
+      views::Background::CreateThemedSolidBackground(
+          ime_inline_autocomplete_view_,
+          ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused));
   ime_inline_autocomplete_view_->SetEnabledColor(
       GetNativeTheme()->GetSystemColor(
           ui::NativeTheme::kColorId_TextfieldSelectionColor));
   ime_inline_autocomplete_view_->SetVisible(false);
   AddChildView(ime_inline_autocomplete_view_);
 
   selected_keyword_view_ = new SelectedKeywordView(font_list, profile());
   AddChildView(selected_keyword_view_);
 
   gfx::FontList bubble_font_list =
@@ skipping 826 matching lines @@
 // LocationBarView, private TemplateURLServiceObserver implementation:
 
 void LocationBarView::OnTemplateURLServiceChanged() {
   template_url_service_->RemoveObserver(this);
   template_url_service_ = nullptr;
   // If the browser is no longer active, let's not show the info bubble, as this
   // would make the browser the active window again.
   if (omnibox_view_ && omnibox_view_->GetWidget()->IsActive())
     ShowFirstRunBubble();
 }