Integrate new Reader Mode panel

chrome/browser/android/compositor/scene_layer/reader_mode_scene_layer.cc

-// Copyright 2015 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/scene_layer/reader_mode_scene_layer.h"
-
-#include "base/android/jni_android.h"
-#include "chrome/browser/android/compositor/layer/reader_mode_layer.h"
-#include "content/public/browser/android/content_view_core.h"
-#include "jni/ReaderModeSceneLayer_jni.h"
-#include "ui/android/resources/resource_manager_impl.h"
-
-namespace chrome {
-namespace android {
-
-ReaderModeSceneLayer::ReaderModeSceneLayer(JNIEnv* env, jobject jobj)
-    : SceneLayer(env, jobj) {
-}
-
-ReaderModeSceneLayer::~ReaderModeSceneLayer() {
-}
-
-void ReaderModeSceneLayer::UpdateReaderModeLayer(
-    JNIEnv* env,
-    jobject object,
-    jint panel_background_resource_id,
-    jint panel_text_resource_id,
-    jobject jreader_mode_content_view_core,
-    jfloat panel_y,
-    jfloat panel_width,
-    jfloat panel_margin_top,
-    jfloat panel_height,
-    jfloat distilled_y,
-    jfloat distilled_height,
-    jfloat x,
-    jfloat panel_text_opacity,
-    jint header_background_color,
-    jobject jresource_manager) {
-  ui::ResourceManager* resource_manager =
-      ui::ResourceManagerImpl::FromJavaObject(jresource_manager);
-  // Lazily construct the reader mode layer, as the feature is only
-  // conditionally enabled.
-  if (!reader_mode_layer_.get()) {
-    if (!resource_manager)
-      return;
-    reader_mode_layer_ = ReaderModeLayer::Create(resource_manager);
-    layer_->AddChild(reader_mode_layer_->layer());
-  }
-
-  // NOTE(pedrosimonetti): The ContentViewCore might not exist at this time if
-  // the Reader Mode has not been requested yet. In this case,
-  // we'll pass NULL to Reader Mode's Layer Tree.
-  content::ContentViewCore* content_view_core =
-      !jreader_mode_content_view_core ? NULL
-                          : content::ContentViewCore::GetNativeContentViewCore(
-                                env, jreader_mode_content_view_core);
-
-  reader_mode_layer_->SetProperties(
-      panel_background_resource_id, panel_text_resource_id,
-      content_view_core,
-      panel_y, panel_width, panel_margin_top, panel_height,
-      distilled_y, distilled_height,
-      x,
-      panel_text_opacity, header_background_color);
-}
-
-static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& jobj) {
-  // This will automatically bind to the Java object and pass ownership there.
-  ReaderModeSceneLayer* tree_provider =
-      new ReaderModeSceneLayer(env, jobj);
-  return reinterpret_cast<intptr_t>(tree_provider);
-}
-
-bool RegisterReaderModeSceneLayer(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android
-}  // namespace chrome