1 files changed, 5 insertions, 12 deletions
diff --git a/dom/base/nsTextFragment.h b/dom/base/nsTextFragment.h
index 5330815683..91efa49254 100644
--- a/dom/base/nsTextFragment.h
+++ b/dom/base/nsTextFragment.h
@@ -113,8 +113,7 @@ class nsTextFragment final {
     }
     ReleaseText();
     if (aForce2b && !aUpdateBidi) {
-      nsStringBuffer* buffer = nsStringBuffer::FromString(aString);
-      if (buffer) {
+      if (nsStringBuffer* buffer = aString.GetStringBuffer()) {
         NS_ADDREF(m2b = buffer);
         mState.mInHeap = true;
         mState.mIs2b = true;
@@ -154,19 +153,13 @@ class nsTextFragment final {
                               const mozilla::fallible_t& aFallible) const {
     if (mState.mIs2b) {
       if (aString.IsEmpty()) {
-        m2b->ToString(mState.mLength, aString);
+        aString.Assign(m2b, mState.mLength);
         return true;
       }
-      bool ok = aString.Append(Get2b(), mState.mLength, aFallible);
-      if (!ok) {
-        return false;
-      }
-
-      return true;
-    } else {
-      return AppendASCIItoUTF16(Substring(m1b, mState.mLength), aString,
-                                aFallible);
+      return aString.Append(Get2b(), mState.mLength, aFallible);
     }
+    return AppendASCIItoUTF16(Substring(m1b, mState.mLength), aString,
+                              aFallible);
   }
 
   /**