remove reliance on webcontents when requesting storage permission

chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java
index a9748f4468107fb22237c6a904bb20f18dd3a84d..a11f58d718a8acf16ff99a46f47e70603ce3fec9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ChromeDownloadDelegate.java
@@ -8,23 +8,18 @@ import android.Manifest.permission;
 import android.app.Activity;
 import android.app.DownloadManager;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Environment;
 import android.os.Handler;
-import android.support.v7.app.AlertDialog;
 import android.text.TextUtils;
-import android.view.View;
 import android.webkit.MimeTypeMap;
 import android.webkit.URLUtil;
-import android.widget.TextView;
 
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
-import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
@@ -135,64 +130,6 @@ public class ChromeDownloadDelegate {
         return downloadInfo.getUrl();
     }
 
-    @CalledByNative
-    private void requestFileAccess(final long callbackId) {
-        if (mTab == null || mTab.getWindowAndroid() == null) {
-            // TODO(tedchoc): Show toast (only when activity is alive).
-            DownloadController.getInstance().onRequestFileAccessResult(callbackId, false);
-            return;
-        }
-        final String storagePermission = android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
-        final Activity activity = mTab.getWindowAndroid().getActivity().get();
-
-        if (activity == null) {
-            DownloadController.getInstance().onRequestFileAccessResult(callbackId, false);
-        } else if (mTab.getWindowAndroid().canRequestPermission(storagePermission)) {
-            View view = activity.getLayoutInflater().inflate(
-                    R.layout.update_permissions_dialog, null);
-            TextView dialogText = (TextView) view.findViewById(R.id.text);
-            dialogText.setText(R.string.missing_storage_permission_download_education_text);
-
-            final PermissionCallback permissionCallback = new PermissionCallback() {
-                @Override
-                public void onRequestPermissionsResult(String[] permissions, int[] grantResults) {
-                    DownloadController.getInstance().onRequestFileAccessResult(callbackId,
-                            grantResults.length > 0
-                                    && grantResults[0] == PackageManager.PERMISSION_GRANTED);
-                }
-            };
-
-            AlertDialog.Builder builder =
-                    new AlertDialog.Builder(activity, R.style.AlertDialogTheme)
-                    .setView(view)
-                    .setPositiveButton(R.string.infobar_update_permissions_button_text,
-                            new DialogInterface.OnClickListener() {
-                                @Override
-                                public void onClick(DialogInterface dialog, int id) {
-                                    if (mTab == null) {
-                                        dialog.cancel();
-                                        return;
-                                    }
-                                    mTab.getWindowAndroid().requestPermissions(
-                                            new String[] {storagePermission}, permissionCallback);
-                                }
-                            })
-                     .setOnCancelListener(new DialogInterface.OnCancelListener() {
-                             @Override
-                             public void onCancel(DialogInterface dialog) {
-                                 DownloadController.getInstance().onRequestFileAccessResult(
-                                         callbackId, false);
-                             }
-                     });
-            builder.create().show();
-        } else if (!mTab.getWindowAndroid().isPermissionRevokedByPolicy(storagePermission)) {
-            nativeLaunchPermissionUpdateInfoBar(mTab, storagePermission, callbackId);
-        } else {
-            // TODO(tedchoc): Show toast.
-            DownloadController.getInstance().onRequestFileAccessResult(callbackId, false);
-        }
-    }
-
     /**
      * Return the full path of the download directory.
      *
@@ -497,6 +434,4 @@ public class ChromeDownloadDelegate {
     private static native String nativeGetDownloadWarningText(String filename);
     private static native void nativeLaunchDuplicateDownloadInfoBar(ChromeDownloadDelegate delegate,
             Tab tab, DownloadInfo downloadInfo, String filePath, boolean isIncognito);
-    private static native void nativeLaunchPermissionUpdateInfoBar(
-            Tab tab, String permission, long callbackId);
 }