Call WebView:SetTextCheckClient in initialization

see chromium commits:
https://chromium.googlesource.com/chromium/src.git/+/62dc793dc640ae5fd16d571a0c9199fe0fb740d0
->
https://chromium.googlesource.com/chromium/src.git/+/81bfb1741ab51947f5fc7c741eadd92779fe13b2
->
https://chromium.googlesource.com/chromium/src.git/+/1c4d759e44259650dfb2c426a7f997d2d0bc73dc
->
https://chromium.googlesource.com/chromium/src.git/+/0c92b1cfa21b855c0e8c19f5550ae5209a325936

fix brave/browser-laptop#9102

Auditors: @bridiver, @bbondy

Author: darkdh

atom/renderer/api/atom_api_spell_check_client.h

@@ -20,16 +20,16 @@ namespace atom {
 namespace api {
 
 class SpellCheckClient : public blink::WebSpellCheckClient,
-                                blink::WebTextCheckClient {
+                         public blink::WebTextCheckClient {
  public:
   SpellCheckClient(const std::string& language,
                    bool auto_spell_correct_turned_on,
                    v8::Isolate* isolate,
                    v8::Local<v8::Object> provider);
-  virtual ~SpellCheckClient();
+  ~SpellCheckClient() override;
 
  private:
-  // blink::WebSpellCheckClient:
+  // blink::WebTextCheckClient:
   void CheckSpelling(
       const blink::WebString& text,
       int& offset,
@@ -41,6 +41,7 @@ class SpellCheckClient : public blink::WebSpellCheckClient,
   void CancelAllPendingRequests() override {};
 
 
+  // blink::WebSpellCheckClient:
   void ShowSpellingUI(bool show) override;
   bool IsShowingSpellingUI() override;
   void UpdateSpellingUIWithMisspelledWord(

brave/renderer/extensions/web_frame_bindings.cc

@@ -144,6 +144,7 @@ void WebFrameBindings::SetSpellCheckProvider(
       new atom::api::SpellCheckClient(
           lang, auto_spell_correct_turned_on, GetIsolate(), provider));
   context()->web_frame()->View()->SetSpellCheckClient(spell_check_client.get());
+  context()->web_frame()->SetTextCheckClient(spell_check_client.get());
   spell_check_client_.swap(spell_check_client);
 }