Clean up ReaderMode OverlayPanel classes

chrome/browser/android/compositor/layer/reader_mode_layer.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/android/compositor/layer/reader_mode_layer.h"
-
-#include "cc/layers/layer.h"
-#include "cc/resources/scoped_ui_resource.h"
-#include "content/public/browser/android/compositor.h"
-#include "ui/android/resources/resource_manager.h"
-
-namespace android {
-
-// static
-scoped_refptr<ReaderModeLayer> ReaderModeLayer::Create(
-    ui::ResourceManager* resource_manager) {
-  return make_scoped_refptr(new ReaderModeLayer(resource_manager));
-}
-
-void ReaderModeLayer::SetProperties(
-    float dp_to_px,
-    const scoped_refptr<cc::Layer>& content_layer,
-    float panel_x,
-    float panel_y,
-    float panel_width,
-    float panel_height,
-    float bar_margin_side,
-    float bar_height,
-    float text_opacity,
-    bool bar_border_visible,
-    float bar_border_height,
-    bool bar_shadow_visible,
-    float bar_shadow_opacity) {
-  // Round values to avoid pixel gap between layers.
-  bar_height = floor(bar_height);
-
-  OverlayPanelLayer::SetProperties(
-      dp_to_px, content_layer, bar_height, panel_x, panel_y, panel_width,
-      panel_height, bar_margin_side, bar_height, 0.0f, text_opacity,
-      bar_border_visible, bar_border_height, bar_shadow_visible,
-      bar_shadow_opacity, 1.0f, 0, 0);
-}
-
-ReaderModeLayer::ReaderModeLayer(
-    ui::ResourceManager* resource_manager)
-    : OverlayPanelLayer(resource_manager) {
-}
-
-ReaderModeLayer::~ReaderModeLayer() {
-}
-
-}  //  namespace android