From 057994d78128c9c851c89f79d274107cbebd99ed Mon Sep 17 00:00:00 2001
From: Tim van der Meij <timvandermeij@gmail.com>
Date: Mon, 28 May 2018 22:54:09 +0200
Subject: [PATCH] Backout of pull request #9345

---
 web/app.js      | 14 ++++----------
 web/ui_utils.js |  9 ---------
 2 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/web/app.js b/web/app.js
index 3aa891928..de4f8c8ec 100644
--- a/web/app.js
+++ b/web/app.js
@@ -15,10 +15,10 @@
 /* globals PDFBug, Stats */
 
 import {
-  animationStarted, DEFAULT_SCALE_VALUE, getPDFFileNameFromURL, isFileSchema,
-  isValidRotation, MAX_SCALE, MIN_SCALE, noContextMenuHandler,
-  normalizeWheelEventDelta, parseQueryString, PresentationModeState,
-  ProgressBar, RendererType, TextLayerMode
+  animationStarted, DEFAULT_SCALE_VALUE, getPDFFileNameFromURL, isValidRotation,
+  MAX_SCALE, MIN_SCALE, noContextMenuHandler, normalizeWheelEventDelta,
+  parseQueryString, PresentationModeState, ProgressBar, RendererType,
+  TextLayerMode
 } from './ui_utils';
 import {
   build, createBlob, getDocument, getFilenameFromUrl, GlobalWorkerOptions,
@@ -745,12 +745,6 @@ let PDFViewerApplication = {
       }
     }
 
-    if (this.url && isFileSchema(this.url)) {
-      let appConfig = this.appConfig;
-      appConfig.toolbar.download.setAttribute('hidden', 'true');
-      appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
-    }
-
     let loadingTask = getDocument(parameters);
     this.pdfLoadingTask = loadingTask;
 
diff --git a/web/ui_utils.js b/web/ui_utils.js
index 455bec351..0c506f983 100644
--- a/web/ui_utils.js
+++ b/web/ui_utils.js
@@ -536,14 +536,6 @@ function noContextMenuHandler(evt) {
   evt.preventDefault();
 }
 
-function isFileSchema(url) {
-  let i = 0, ii = url.length;
-  while (i < ii && url[i].trim() === '') {
-    i++;
-  }
-  return url.substr(i, 7).toLowerCase() === 'file://';
-}
-
 function isDataSchema(url) {
   let i = 0, ii = url.length;
   while (i < ii && url[i].trim() === '') {
@@ -843,7 +835,6 @@ export {
   VERTICAL_PADDING,
   isValidRotation,
   isPortraitOrientation,
-  isFileSchema,
   cloneObj,
   PresentationModeState,
   RendererType,