diff '--color=auto' -ur qtwebengine-5.15.17.orig/src/3rdparty/chromium/content/browser/browser_context.cc qtwebengine-5.15.17/src/3rdparty/chromium/content/browser/browser_context.cc
--- qtwebengine-5.15.17.orig/src/3rdparty/chromium/content/browser/browser_context.cc	2025-05-23 21:15:55.660122334 +0200
+++ qtwebengine-5.15.17/src/3rdparty/chromium/content/browser/browser_context.cc	2025-05-23 21:53:01.541956570 +0200
@@ -533,6 +533,11 @@
     RemoveUserData(kStoragePartitionMapKeyName);
 }
 
+#if defined(TOOLKIT_QT)
+void BrowserContext::FailedToLoadDictionary(const std::string&) {
+}
+#endif
+
 std::string BrowserContext::GetMediaDeviceIDSalt() {
   return unique_id_;
 }
diff '--color=auto' -ur qtwebengine-5.15.17.orig/src/3rdparty/chromium/content/public/browser/browser_context.h qtwebengine-5.15.17/src/3rdparty/chromium/content/public/browser/browser_context.h
--- qtwebengine-5.15.17.orig/src/3rdparty/chromium/content/public/browser/browser_context.h	2025-05-23 21:15:55.837295999 +0200
+++ qtwebengine-5.15.17/src/3rdparty/chromium/content/public/browser/browser_context.h	2025-05-23 21:54:31.181538982 +0200
@@ -18,7 +18,6 @@
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "base/supports_user_data.h"
-#include "components/spellcheck/spellcheck_buildflags.h"
 #include "content/common/content_export.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 #include "mojo/public/cpp/bindings/pending_remote.h"
@@ -346,9 +345,9 @@
   // directly, so privacy is not compromised.
   virtual media::VideoDecodePerfHistory* GetVideoDecodePerfHistory();
 
-#if defined(TOOLKIT_QT) && BUILDFLAG(ENABLE_SPELLCHECK)
+#if defined(TOOLKIT_QT)
   // Inform about not working dictionary for given language
-  virtual void FailedToLoadDictionary(const std::string& language) = 0;
+  virtual void FailedToLoadDictionary(const std::string& language);
 #endif
 
   // Returns a LearningSession associated with |this|. Used as the central