[CRX] Remove redundant location.origin check

The PDF Viewer will always be rendered directly from the extension,
so checking "origin == chrome-extension:/.." is not needed any more.
( since edd4bae903 )

web/viewer.js

@@ -1564,9 +1564,6 @@ var DocumentOutlineView = function documentOutlineView(outline) {
 //(function rewriteUrlClosure() {
 //  // Run this code outside DOMContentLoaded to make sure that the URL
 //  // is rewritten as soon as possible.
-//  if (location.origin + '/' !== chrome.extension.getURL('/')) {
-//    DEFAULT_URL = window.location.href.split('#')[0];
-//  } else {
 //  var params = PDFView.parseQueryString(document.location.search.slice(1));
 //  DEFAULT_URL = params.file || DEFAULT_URL;
 //
@@ -1576,7 +1573,6 @@ var DocumentOutlineView = function documentOutlineView(outline) {
 //  if (top === window) {
 //    chrome.runtime.sendMessage('showPageAction');
 //  }
-//  }
 //})();
 //#endif
 
@@ -1594,12 +1590,6 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
 //var file = DEFAULT_URL;
 //#endif
 
-//#if CHROME
-//if (location.protocol !== 'chrome-extension:') {
-//  file = location.href.split('#')[0];
-//}
-//#endif
-
 //#if !(FIREFOX || MOZCENTRAL || CHROME || B2G)
   var fileInput = document.createElement('input');
   fileInput.id = 'fileInput';