Support registration of custom preferences.

Custom global and request context preferences can now be registered via
CefBrowserProcessHandler::OnRegisterCustomPreferences. CefRequestContext
now extends CefPreferenceManager and global preferences can be accessed
via CefPreferenceManager::GetGlobalPreferenceManager.

libcef_dll/ctocpp/preference_manager_ctocpp.cc

@@ -0,0 +1,166 @@
+// Copyright (c) 2022 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+// $hash=52f3ca6608adcc88d2fb8faf80f53255946880fc$
+//
+
+#include "libcef_dll/ctocpp/preference_manager_ctocpp.h"
+#include "libcef_dll/ctocpp/dictionary_value_ctocpp.h"
+#include "libcef_dll/ctocpp/request_context_ctocpp.h"
+#include "libcef_dll/ctocpp/value_ctocpp.h"
+
+// STATIC METHODS - Body may be edited by hand.
+
+NO_SANITIZE("cfi-icall")
+CefRefPtr<CefPreferenceManager>
+CefPreferenceManager::GetGlobalPreferenceManager() {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  cef_preference_manager_t* _retval = cef_preference_manager_get_global();
+
+  // Return type: refptr_same
+  return CefPreferenceManagerCToCpp::Wrap(_retval);
+}
+
+// VIRTUAL METHODS - Body may be edited by hand.
+
+NO_SANITIZE("cfi-icall")
+bool CefPreferenceManagerCToCpp::HasPreference(const CefString& name) {
+  cef_preference_manager_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, has_preference))
+    return false;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: name; type: string_byref_const
+  DCHECK(!name.empty());
+  if (name.empty())
+    return false;
+
+  // Execute
+  int _retval = _struct->has_preference(_struct, name.GetStruct());
+
+  // Return type: bool
+  return _retval ? true : false;
+}
+
+NO_SANITIZE("cfi-icall")
+CefRefPtr<CefValue> CefPreferenceManagerCToCpp::GetPreference(
+    const CefString& name) {
+  cef_preference_manager_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, get_preference))
+    return nullptr;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: name; type: string_byref_const
+  DCHECK(!name.empty());
+  if (name.empty())
+    return nullptr;
+
+  // Execute
+  cef_value_t* _retval = _struct->get_preference(_struct, name.GetStruct());
+
+  // Return type: refptr_same
+  return CefValueCToCpp::Wrap(_retval);
+}
+
+NO_SANITIZE("cfi-icall")
+CefRefPtr<CefDictionaryValue> CefPreferenceManagerCToCpp::GetAllPreferences(
+    bool include_defaults) {
+  cef_preference_manager_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, get_all_preferences))
+    return nullptr;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  cef_dictionary_value_t* _retval =
+      _struct->get_all_preferences(_struct, include_defaults);
+
+  // Return type: refptr_same
+  return CefDictionaryValueCToCpp::Wrap(_retval);
+}
+
+NO_SANITIZE("cfi-icall")
+bool CefPreferenceManagerCToCpp::CanSetPreference(const CefString& name) {
+  cef_preference_manager_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, can_set_preference))
+    return false;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: name; type: string_byref_const
+  DCHECK(!name.empty());
+  if (name.empty())
+    return false;
+
+  // Execute
+  int _retval = _struct->can_set_preference(_struct, name.GetStruct());
+
+  // Return type: bool
+  return _retval ? true : false;
+}
+
+NO_SANITIZE("cfi-icall")
+bool CefPreferenceManagerCToCpp::SetPreference(const CefString& name,
+                                               CefRefPtr<CefValue> value,
+                                               CefString& error) {
+  cef_preference_manager_t* _struct = GetStruct();
+  if (CEF_MEMBER_MISSING(_struct, set_preference))
+    return false;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: name; type: string_byref_const
+  DCHECK(!name.empty());
+  if (name.empty())
+    return false;
+  // Unverified params: value
+
+  // Execute
+  int _retval = _struct->set_preference(_struct, name.GetStruct(),
+                                        CefValueCToCpp::Unwrap(value),
+                                        error.GetWritableStruct());
+
+  // Return type: bool
+  return _retval ? true : false;
+}
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefPreferenceManagerCToCpp::CefPreferenceManagerCToCpp() {}
+
+// DESTRUCTOR - Do not edit by hand.
+
+CefPreferenceManagerCToCpp::~CefPreferenceManagerCToCpp() {}
+
+template <>
+cef_preference_manager_t* CefCToCppRefCounted<
+    CefPreferenceManagerCToCpp,
+    CefPreferenceManager,
+    cef_preference_manager_t>::UnwrapDerived(CefWrapperType type,
+                                             CefPreferenceManager* c) {
+  if (type == WT_REQUEST_CONTEXT) {
+    return reinterpret_cast<cef_preference_manager_t*>(
+        CefRequestContextCToCpp::Unwrap(
+            reinterpret_cast<CefRequestContext*>(c)));
+  }
+  NOTREACHED() << "Unexpected class type: " << type;
+  return nullptr;
+}
+
+template <>
+CefWrapperType CefCToCppRefCounted<CefPreferenceManagerCToCpp,
+                                   CefPreferenceManager,
+                                   cef_preference_manager_t>::kWrapperType =
+    WT_PREFERENCE_MANAGER;