Prompt user for file access permission before download starts

chrome/browser/android/download/mock_download_controller_android.cc

Index: chrome/browser/android/download/mock_download_controller_android.cc
diff --git a/chrome/browser/android/download/mock_download_controller_android.cc b/chrome/browser/android/download/mock_download_controller_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f072e9edbbd0a05ff7ddc374d66c9f556258e482
--- /dev/null
+++ b/chrome/browser/android/download/mock_download_controller_android.cc
@@ -0,0 +1,53 @@
+// Copyright (c) 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/mock_download_controller_android.h"
+
+#include "base/bind.h"
+#include "base/location.h"
+#include "base/thread_task_runner_handle.h"
+
+using content::DownloadControllerAndroid;
+
+namespace chrome {
+namespace android {
+
+MockDownloadControllerAndroid::MockDownloadControllerAndroid()
+    : approve_file_access_request_(true) {
+}
+
+MockDownloadControllerAndroid::~MockDownloadControllerAndroid() {}
+
+void MockDownloadControllerAndroid::CreateGETDownload(
+    int render_process_id, int render_view_id, int request_id) {
+}
+
+void MockDownloadControllerAndroid::OnDownloadStarted(
+    content::DownloadItem* download_item) {
+}
+
+void MockDownloadControllerAndroid::StartContextMenuDownload(
+    const content::ContextMenuParams& params,
+    content::WebContents* web_contents,
+    bool is_link, const std::string& extra_headers) {
+}
+
+void MockDownloadControllerAndroid::DangerousDownloadValidated(
+    content::WebContents* web_contents, int download_id, bool accept) {
+}
+
+void MockDownloadControllerAndroid::AcquireFileAccessPermission(
+    content::WebContents* web_contents,
+    const DownloadControllerAndroid::AcquireFileAccessPermissionCallback& cb) {
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(cb, approve_file_access_request_));
+}
+
+void MockDownloadControllerAndroid::SetApproveFileAccessRequestForTesting(
+    bool approve) {
+  approve_file_access_request_ = approve;
+}
+
+}  // namespace android
+}  // namespace chrome