Fix insertion of blank pages during printing due to non-matching page sizes

web/pdf_page_view.js

@@ -541,8 +541,6 @@ var PDFPageView = (function PDFPageViewClosure() {
 
       var printContainer = document.getElementById('printContainer');
       var canvasWrapper = document.createElement('div');
-      canvasWrapper.style.width = viewport.width + 'pt';
-      canvasWrapper.style.height = viewport.height + 'pt';
       canvasWrapper.appendChild(canvas);
       printContainer.appendChild(canvasWrapper);
 

web/viewer.css

@@ -22,12 +22,14 @@
 
 html {
   height: 100%;
+  width: 100%;
   /* Font size is needed to make the activity bar the correct size. */
   font-size: 10px;
 }
 
 body {
   height: 100%;
+  width: 100%;
   background-color: #404040;
   background-image: url(images/texture.png);
 }
@@ -1800,11 +1802,15 @@ html[dir='rtl'] #documentPropertiesOverlay .row > * {
   body[data-mozPrintCallback] #printContainer {
     display: block;
   }
+  #printContainer {
+    height: 100%;
+  }
   /* wrapper around (scaled) print canvas elements */
   #printContainer > div {
     position: relative;
     top: 0;
     left: 0;
+    height: 100%;
     overflow: hidden;
   }
   #printContainer canvas {

web/viewer.js

@@ -1166,10 +1166,6 @@ var PDFViewerApplication = {
       // Firefox incorrectly reports support for the other value.
       '@supports ((size:A4) and (size:1pt 1pt)) {' +
       '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' +
-      // The canvas and each ancestor node must have a height of 100% to make
-      // sure that each canvas is printed on exactly one page.
-      '#printContainer {height:100%}' +
-      '#printContainer > div {width:100% !important;height:100% !important;}' +
       '}';
     body.appendChild(this.pageStyleSheet);