Hide print, download and open buttons

Author: atishdhu

web/viewer.html

@@ -320,11 +320,11 @@
                 <div id="editorModeSeparator" class="verticalToolbarSeparator"></div>
 
                 <div class="toolbarHorizontalGroup hiddenMediumView">
-                  <button id="printButton" class="toolbarButton" type="button" title="Print" tabindex="0" data-l10n-id="pdfjs-print-button">
+                  <button id="printButton" class="toolbarButton hidden" type="button" title="Print" tabindex="0" data-l10n-id="pdfjs-print-button">
                     <span data-l10n-id="pdfjs-print-button-label">Print</span>
                   </button>
 
-                  <button id="downloadButton" class="toolbarButton" type="button" title="Save" tabindex="0" data-l10n-id="pdfjs-save-button">
+                  <button id="downloadButton" class="toolbarButton hidden" type="button" title="Save" tabindex="0" data-l10n-id="pdfjs-save-button">
                     <span data-l10n-id="pdfjs-save-button-label">Save</span>
                   </button>
                 </div>
@@ -338,7 +338,7 @@
                   <div id="secondaryToolbar" class="hidden doorHangerRight menu">
                     <div id="secondaryToolbarButtonContainer" class="menuContainer">
 <!--#if GENERIC-->
-                      <button id="secondaryOpenFile" class="toolbarButton labeled" type="button" title="Open File" tabindex="0" data-l10n-id="pdfjs-open-file-button">
+                      <button id="secondaryOpenFile" class="toolbarButton labeled hidden" type="button" title="Open File" tabindex="0" data-l10n-id="pdfjs-open-file-button">
                         <span data-l10n-id="pdfjs-open-file-button-label">Open</span>
                       </button>
 <!--#endif-->
@@ -358,7 +358,7 @@
                       </div>
 
 <!--#if GENERIC-->
-                      <div class="horizontalToolbarSeparator"></div>
+                      <div class="horizontalToolbarSeparator hidden"></div>
 <!--#endif-->
 
                       <button id="presentationMode" class="toolbarButton labeled" type="button" title="Switch to Presentation Mode" tabindex="0" data-l10n-id="pdfjs-presentation-mode-button">