[Basilisk] Revert "Update PDF.js to 2.3.235" as it breaks in e10s

application/basilisk/extensions/pdfjs/content/web/debugger.js

@@ -12,35 +12,38 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/* eslint-disable no-var */
 
 'use strict';
 
 var FontInspector = (function FontInspectorClosure() {
-  var fonts, createObjectURL;
+  var fonts;
   var active = false;
   var fontAttribute = 'data-font-name';
   function removeSelection() {
-    let divs = document.querySelectorAll(`span[${fontAttribute}]`);
-    for (let div of divs) {
+    var divs = document.querySelectorAll('div[' + fontAttribute + ']');
+    for (var i = 0, ii = divs.length; i < ii; ++i) {
+      var div = divs[i];
       div.className = '';
     }
   }
   function resetSelection() {
-    let divs = document.querySelectorAll(`span[${fontAttribute}]`);
-    for (let div of divs) {
+    var divs = document.querySelectorAll('div[' + fontAttribute + ']');
+    for (var i = 0, ii = divs.length; i < ii; ++i) {
+      var div = divs[i];
       div.className = 'debuggerHideText';
     }
   }
   function selectFont(fontName, show) {
-    let divs = document.querySelectorAll(`span[${fontAttribute}=${fontName}]`);
-    for (let div of divs) {
+    var divs = document.querySelectorAll('div[' + fontAttribute + '=' +
+                                         fontName + ']');
+    for (var i = 0, ii = divs.length; i < ii; ++i) {
+      var div = divs[i];
       div.className = show ? 'debuggerShowText' : 'debuggerHideText';
     }
   }
   function textLayerClick(e) {
     if (!e.target.dataset.fontName ||
-        e.target.tagName.toUpperCase() !== 'SPAN') {
+        e.target.tagName.toUpperCase() !== 'DIV') {
       return;
     }
     var fontName = e.target.dataset.fontName;
@@ -71,8 +74,6 @@ var FontInspector = (function FontInspectorClosure() {
 
       fonts = document.createElement('div');
       panel.appendChild(fonts);
-
-      createObjectURL = pdfjsLib.createObjectURL;
     },
     cleanup: function cleanup() {
       fonts.textContent = '';
@@ -117,7 +118,10 @@ var FontInspector = (function FontInspectorClosure() {
         url = /url\(['"]?([^\)"']+)/.exec(url);
         download.href = url[1];
       } else if (fontObj.data) {
-        download.href = createObjectURL(fontObj.data, fontObj.mimeType);
+        url = URL.createObjectURL(new Blob([fontObj.data], {
+          type: fontObj.mimeType
+        }));
+        download.href = url;
       }
       download.textContent = 'Download';
       var logIt = document.createElement('a');
@@ -145,12 +149,12 @@ var FontInspector = (function FontInspectorClosure() {
       fonts.appendChild(font);
       // Somewhat of a hack, should probably add a hook for when the text layer
       // is done rendering.
-      setTimeout(() => {
+      setTimeout(function() {
         if (this.active) {
           resetSelection();
         }
-      }, 2000);
-    },
+      }.bind(this), 2000);
+    }
   };
 })();
 
@@ -239,7 +243,7 @@ var StepperManager = (function StepperManagerClosure() {
     saveBreakPoints: function saveBreakPoints(pageIndex, bps) {
       breakPoints[pageIndex] = bps;
       sessionStorage.setItem('pdfjsBreakPoints', JSON.stringify(breakPoints));
-    },
+    }
   };
 })();
 
@@ -258,7 +262,7 @@ var Stepper = (function StepperClosure() {
     if (typeof args === 'string') {
       var MAX_STRING_LENGTH = 75;
       return args.length <= MAX_STRING_LENGTH ? args :
-        args.substring(0, MAX_STRING_LENGTH) + '...';
+        args.substr(0, MAX_STRING_LENGTH) + '...';
     }
     if (typeof args !== 'object' || args === null) {
       return args;
@@ -333,7 +337,7 @@ var Stepper = (function StepperClosure() {
         line.className = 'line';
         line.dataset.idx = i;
         chunk.appendChild(line);
-        var checked = this.breakPoints.includes(i);
+        var checked = this.breakPoints.indexOf(i) !== -1;
         var args = operatorList.argsArray[i] || [];
 
         var breakCell = c('td');
@@ -429,7 +433,7 @@ var Stepper = (function StepperClosure() {
           row.style.backgroundColor = null;
         }
       }
-    },
+    }
   };
   return Stepper;
 })();
@@ -455,13 +459,14 @@ var Stats = (function Stats() {
     name: 'Stats',
     panel: null,
     manager: null,
-    init(pdfjsLib) {
+    init: function init(pdfjsLib) {
       this.panel.setAttribute('style', 'padding: 5px;');
+      pdfjsLib.PDFJS.enableStats = true;
     },
     enabled: false,
     active: false,
     // Stats specific functions.
-    add(pageNumber, stat) {
+    add: function(pageNumber, stat) {
       if (!stat) {
         return;
       }
@@ -480,7 +485,7 @@ var Stats = (function Stats() {
       statsDiv.textContent = stat.toString();
       wrapper.appendChild(title);
       wrapper.appendChild(statsDiv);
-      stats.push({ pageNumber, div: wrapper, });
+      stats.push({ pageNumber: pageNumber, div: wrapper });
       stats.sort(function(a, b) {
         return a.pageNumber - b.pageNumber;
       });
@@ -489,15 +494,15 @@ var Stats = (function Stats() {
         this.panel.appendChild(stats[i].div);
       }
     },
-    cleanup() {
+    cleanup: function () {
       stats = [];
       clear(this.panel);
-    },
+    }
   };
 })();
 
 // Manages all the debugging tools.
-window.PDFBug = (function PDFBugClosure() {
+var PDFBug = (function PDFBugClosure() {
   var panelWidth = 300;
   var buttons = [];
   var activePanel = null;
@@ -508,14 +513,14 @@ window.PDFBug = (function PDFBugClosure() {
       StepperManager,
       Stats
     ],
-    enable(ids) {
+    enable: function(ids) {
       var all = false, tools = this.tools;
       if (ids.length === 1 && ids[0] === 'all') {
         all = true;
       }
       for (var i = 0; i < tools.length; ++i) {
         var tool = tools[i];
-        if (all || ids.includes(tool.id)) {
+        if (all || ids.indexOf(tool.id) !== -1) {
           tool.enabled = true;
         }
       }
@@ -530,7 +535,7 @@ window.PDFBug = (function PDFBugClosure() {
         });
       }
     },
-    init(pdfjsLib, container) {
+    init: function init(pdfjsLib, container) {
       /*
        * Basic Layout:
        * PDFBug
@@ -583,14 +588,14 @@ window.PDFBug = (function PDFBugClosure() {
       }
       this.selectPanel(0);
     },
-    cleanup() {
+    cleanup: function cleanup() {
       for (var i = 0, ii = this.tools.length; i < ii; i++) {
         if (this.tools[i].enabled) {
           this.tools[i].cleanup();
         }
       }
     },
-    selectPanel(index) {
+    selectPanel: function selectPanel(index) {
       if (typeof index !== 'number') {
         index = this.tools.indexOf(index);
       }
@@ -610,6 +615,6 @@ window.PDFBug = (function PDFBugClosure() {
           tools[j].panel.setAttribute('hidden', 'true');
         }
       }
-    },
+    }
   };
 })();