Merge pull request #8609 from Snuffleupagus/findbar-more-adjustWidth

Ensure that `PDFFindBar._adjustWidth` is called in all situations where the width of the findbar might have changed

web/pdf_find_bar.js

@@ -140,10 +140,10 @@ class PDFFindBar {
     this.findField.setAttribute('data-status', status);
     Promise.resolve(findMsg).then((msg) => {
       this.findMsg.textContent = msg;
+      this._adjustWidth();
     });
 
     this.updateResultsCount(matchCount);
-    this._adjustWidth();
   }
 
   updateResultsCount(matchCount) {
@@ -151,15 +151,18 @@ class PDFFindBar {
       return; // No UI control is provided.
     }
 
-    // If there are no matches, hide the counter.
     if (!matchCount) {
+      // If there are no matches, hide and reset the counter.
       this.findResultsCount.classList.add('hidden');
-      return;
+      this.findResultsCount.textContent = '';
+    } else {
+      // Update and show the match counter.
+      this.findResultsCount.textContent = matchCount.toLocaleString();
+      this.findResultsCount.classList.remove('hidden');
     }
-
-    // Create and show the match counter.
-    this.findResultsCount.textContent = matchCount.toLocaleString();
-    this.findResultsCount.classList.remove('hidden');
+    // Since `updateResultsCount` may be called from `PDFFindController`,
+    // ensure that the width of the findbar is always updated correctly.
+    this._adjustWidth();
   }
 
   open() {