Need to use font.translated.name as unique identifier

pdf.js

@@ -4212,8 +4212,6 @@ var PartialEvaluator = (function() {
           } else if (cmd == 'Tf') { // eagerly collect all fonts
             var fontName = args[0].name;
             
-            // Check if this font is known already and process it otherwise.
-            if (!FontsMap[fontName]) {
             var fontRes = resources.get('Font');
             if (fontRes) {
               fontRes = xref.fetchIfRef(fontRes);
@@ -4225,10 +4223,13 @@ var PartialEvaluator = (function() {
                   // keep track of each font we translated so the caller can
                   // load them asynchronously before calling display on a page
                   fonts.push(font.translated);
-                    FontsMap[fontName] = font;
-                  }
+                  FontsMap[font.translated.name] = font;
                 }
               }
+              args[0].name = font.translated.name;
+            } else {
+              // TODO: TOASK: Is it possible to get here? If so, what does
+              // args[0].name should be like???
             }
           }