Clean up unused grit header includes in chrome/

chrome/browser/ui/views/new_back_shortcut_bubble.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 "chrome/browser/ui/views/new_back_shortcut_bubble.h"
 
 #include <utility>
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/views/exclusive_access_bubble_views_context.h"
 #include "chrome/browser/ui/views/subtle_notification_view.h"
 #include "chrome/grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/animation/animation.h"
 #include "ui/gfx/animation/slide_animation.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
-#include "ui/strings/grit/ui_strings.h"
 #include "ui/views/border.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
 const int kPopupTopPx = 45;
 const int kSlideInDurationMs = 350;
 const int kSlideOutDurationMs = 700;
 const int kShowDurationMs = 3800;
@@ skipping 79 matching lines @@
   int desired_top = kPopupTopPx - view_->border()->GetInsets().top();
   int y = widget_bounds.y() + desired_top;
   return gfx::Rect(gfx::Point(x, y), size);
 }
 
 void NewBackShortcutBubble::OnTimerElapsed() {
   // Hide the bubble.
   animation_->SetSlideDuration(kSlideOutDurationMs);
   animation_->Hide();
 }