--- a/dom/html/nsHTMLDocument.cpp
+++ b/dom/html/nsHTMLDocument.cpp
@@ -651,17 +651,17 @@ nsHTMLDocument::StartDocumentLoad(const 
   nsAutoCString charset;
 
   // These are the charset source and charset for the parser.  This can differ
   // from that for the document if the channel is a wyciwyg channel.
   int32_t parserCharsetSource;
   nsAutoCString parserCharset;
 
   nsCOMPtr<nsIWyciwygChannel> wyciwygChannel;
-  
+
   // For error reporting and referrer policy setting
   nsHtml5TreeOpExecutor* executor = nullptr;
   if (loadAsHtml5) {
     executor = static_cast<nsHtml5TreeOpExecutor*> (mParser->GetContentSink());
     if (mReferrerPolicySet) {
       // CSP may have set the referrer policy, so a speculative parser should
       // start with the new referrer policy.
       executor->SetSpeculationReferrerPolicy(static_cast<ReferrerPolicy>(mReferrerPolicy));
@@ -718,30 +718,30 @@ nsHTMLDocument::StartDocumentLoad(const 
     TryTLD(charsetSource, charset);
     TryFallback(charsetSource, charset);
 
     if (wyciwygChannel) {
       // We know for sure that the parser needs to be using UTF16.
       parserCharset = "UTF-16";
       parserCharsetSource = charsetSource < kCharsetFromChannel ?
         kCharsetFromChannel : charsetSource;
-        
+
       nsAutoCString cachedCharset;
       int32_t cachedSource;
       rv = wyciwygChannel->GetCharsetAndSource(&cachedSource, cachedCharset);
       if (NS_SUCCEEDED(rv)) {
         if (cachedSource > charsetSource) {
           charsetSource = cachedSource;
           charset = cachedCharset;
         }
       } else {
         // Don't propagate this error.
         rv = NS_OK;
       }
-      
+
     } else {
       parserCharset = charset;
       parserCharsetSource = charsetSource;
     }
   }
 
   SetDocumentCharacterSetSource(charsetSource);
   SetDocumentCharacterSet(charset);
@@ -1255,17 +1255,17 @@ nsHTMLDocument::GetCookie(nsAString& aCo
   }
 
   // If the document's sandboxed origin flag is set, access to read cookies
   // is prohibited.
   if (mSandboxFlags & SANDBOXED_ORIGIN) {
     rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
     return;
   }
-  
+
   // not having a cookie service isn't an error
   nsCOMPtr<nsICookieService> service = do_GetService(NS_COOKIESERVICE_CONTRACTID);
   if (service) {
     // Get a URI from the document principal. We use the original
     // codebase in case the codebase was changed by SetDomain
     nsCOMPtr<nsIURI> codebaseURI;
     NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
 
@@ -2827,17 +2827,17 @@ nsHTMLDocument::EditingStateChanged()
     nsAutoScriptBlocker scriptBlocker;
     NotifyEditableStateChange(this, this);
   }
 
   // Resync the editor's spellcheck state.
   if (spellRecheckAll) {
     nsCOMPtr<nsISelectionController> selcon;
     nsresult rv = editor->GetSelectionController(getter_AddRefs(selcon));
-    NS_ENSURE_SUCCESS(rv, rv); 
+    NS_ENSURE_SUCCESS(rv, rv);
 
     nsCOMPtr<nsISelection> spellCheckSelection;
     rv = selcon->GetSelection(nsISelectionController::SELECTION_SPELLCHECK,
                               getter_AddRefs(spellCheckSelection));
     if (NS_SUCCEEDED(rv)) {
       spellCheckSelection->RemoveAllRanges();
     }
   }