views/location_bar: Eliminate TouchableLocationBarView.

chrome/browser/ui/views/location_bar/mic_search_view.cc

-// Copyright (c) 2013 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/mic_search_view.h"
-
-#include "chrome/browser/ui/view_ids.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/accessibility/accessible_view_state.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-
-MicSearchView::MicSearchView(views::ButtonListener* button_listener)
-    : views::ImageButton(button_listener) {
-  set_id(VIEW_ID_MIC_SEARCH_BUTTON);
-  set_accessibility_focusable(true);
-  SetTooltipText(l10n_util::GetStringUTF16(IDS_TOOLTIP_MIC_SEARCH));
-  SetImage(STATE_NORMAL,
-           ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-               IDR_OMNIBOX_MIC_SEARCH));
-  SetImageAlignment(ALIGN_CENTER, ALIGN_MIDDLE);
-  TouchableLocationBarView::Init(this);
-}
-
-MicSearchView::~MicSearchView() {
-}
-
-int MicSearchView::GetBuiltInHorizontalPadding() const {
-  return GetBuiltInHorizontalPaddingImpl();
-}