Remove chrome_download_delegate.cc

chrome/browser/android/download/chrome_download_delegate.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/download/chrome_download_delegate.h"
-
-#include <jni.h>
-
-#include <string>
-#include <type_traits>
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_string.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "chrome/browser/android/download/download_controller_base.h"
-#include "chrome/browser/android/tab_android.h"
-#include "chrome/browser/infobars/infobar_service.h"
-#include "chrome/common/safe_browsing/file_type_policies.h"
-#include "chrome/grit/generated_resources.h"
-#include "jni/ChromeDownloadDelegate_jni.h"
-#include "ui/base/l10n/l10n_util.h"
-
-using base::android::ConvertUTF8ToJavaString;
-using base::android::JavaParamRef;
-using base::android::ScopedJavaLocalRef;
-using content::WebContents;
-
-// Gets the download warning text for the given file name.
-static ScopedJavaLocalRef<jstring> GetDownloadWarningText(
-    JNIEnv* env,
-    const JavaParamRef<jclass>& clazz,
-    const JavaParamRef<jstring>& filename) {
-  return base::android::ConvertUTF8ToJavaString(
-      env, l10n_util::GetStringFUTF8(
-               IDS_PROMPT_DANGEROUS_DOWNLOAD,
-               base::android::ConvertJavaStringToUTF16(env, filename)));
-}
-
-// static
-bool ChromeDownloadDelegate::EnqueueDownloadManagerRequest(
-    jobject chrome_download_delegate,
-    bool overwrite,
-    jobject download_info) {
-  JNIEnv* env = base::android::AttachCurrentThread();
-
-  return Java_ChromeDownloadDelegate_enqueueDownloadManagerRequestFromNative(
-      env, chrome_download_delegate, overwrite, download_info);
-}
-
-ChromeDownloadDelegate::ChromeDownloadDelegate(
-    WebContents* web_contents) {}
-
-ChromeDownloadDelegate::~ChromeDownloadDelegate() {
-   JNIEnv* env = base::android::AttachCurrentThread();
-   env->DeleteGlobalRef(java_ref_);
-}
-
-void ChromeDownloadDelegate::SetJavaRef(JNIEnv* env, jobject jobj) {
-  java_ref_ = env->NewGlobalRef(jobj);
-}
-
-void Init(JNIEnv* env,
-          const JavaParamRef<jobject>& obj,
-          const JavaParamRef<jobject>& jweb_contents) {
-  auto* web_contents = WebContents::FromJavaWebContents(jweb_contents);
-  ChromeDownloadDelegate::CreateForWebContents(web_contents);
-  ChromeDownloadDelegate::FromWebContents(web_contents)->SetJavaRef(env, obj);
-}
-
-bool RegisterChromeDownloadDelegate(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(ChromeDownloadDelegate);