Use a direct include of utf_string_conversions.h in android_webview/, apps/, ash/, base/.

ash/keyboard_overlay/keyboard_overlay_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 "ash/keyboard_overlay/keyboard_overlay_view.h"
 
 #include "ash/keyboard_overlay/keyboard_overlay_delegate.h"
 #include "ash/shell.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/browser_context.h"
 #include "grit/ash_strings.h"
 #include "ui/base/events/event.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
 using ui::WebDialogDelegate;
 
@@ skipping 66 matching lines @@
 // static
 void KeyboardOverlayView::GetCancelingKeysForTesting(
     std::vector<KeyboardOverlayView::KeyEventData>* canceling_keys) {
   CHECK(canceling_keys);
   canceling_keys->clear();
   for (size_t i = 0; i < arraysize(kCancelKeys); ++i)
     canceling_keys->push_back(kCancelKeys[i]);
 }
 
 }  // namespace ash