Enable HTTP cleartext configuration for Webview

android_webview/browser/net/aw_url_request_context_getter.h

Index: android_webview/browser/net/aw_url_request_context_getter.h
diff --git a/android_webview/browser/net/aw_url_request_context_getter.h b/android_webview/browser/net/aw_url_request_context_getter.h
index 9264092ea4e829124e26c86f205e639c3df24b23..44bf77a05c4fe8c1eb65b6f16e56422ba4c8f0c9 100644
--- a/android_webview/browser/net/aw_url_request_context_getter.h
+++ b/android_webview/browser/net/aw_url_request_context_getter.h
@@ -47,6 +47,8 @@ class AwURLRequestContextGetter : public net::URLRequestContextGetter {
   // threads (UI and IO).
   net::NetLog* GetNetLog();
 
+  static void set_check_cleartext_permitted(bool permitted);
+
  private:
   friend class AwBrowserContext;
   ~AwURLRequestContextGetter() override;