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/cpptoc/preference_manager_cpptoc.cc

@@ -0,0 +1,183 @@
+// 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.
+//
+// $hash=6958fb584fde290169bdcf0fa3f1c94a2c9d77ea$
+//
+
+#include "libcef_dll/cpptoc/preference_manager_cpptoc.h"
+#include "libcef_dll/cpptoc/dictionary_value_cpptoc.h"
+#include "libcef_dll/cpptoc/request_context_cpptoc.h"
+#include "libcef_dll/cpptoc/value_cpptoc.h"
+
+// GLOBAL FUNCTIONS - Body may be edited by hand.
+
+CEF_EXPORT cef_preference_manager_t* cef_preference_manager_get_global() {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  CefRefPtr<CefPreferenceManager> _retval =
+      CefPreferenceManager::GetGlobalPreferenceManager();
+
+  // Return type: refptr_same
+  return CefPreferenceManagerCppToC::Wrap(_retval);
+}
+
+namespace {
+
+// MEMBER FUNCTIONS - Body may be edited by hand.
+
+int CEF_CALLBACK
+preference_manager_has_preference(struct _cef_preference_manager_t* self,
+                                  const cef_string_t* name) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: name; type: string_byref_const
+  DCHECK(name);
+  if (!name)
+    return 0;
+
+  // Execute
+  bool _retval =
+      CefPreferenceManagerCppToC::Get(self)->HasPreference(CefString(name));
+
+  // Return type: bool
+  return _retval;
+}
+
+struct _cef_value_t* CEF_CALLBACK
+preference_manager_get_preference(struct _cef_preference_manager_t* self,
+                                  const cef_string_t* name) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return NULL;
+  // Verify param: name; type: string_byref_const
+  DCHECK(name);
+  if (!name)
+    return NULL;
+
+  // Execute
+  CefRefPtr<CefValue> _retval =
+      CefPreferenceManagerCppToC::Get(self)->GetPreference(CefString(name));
+
+  // Return type: refptr_same
+  return CefValueCppToC::Wrap(_retval);
+}
+
+struct _cef_dictionary_value_t* CEF_CALLBACK
+preference_manager_get_all_preferences(struct _cef_preference_manager_t* self,
+                                       int include_defaults) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return NULL;
+
+  // Execute
+  CefRefPtr<CefDictionaryValue> _retval =
+      CefPreferenceManagerCppToC::Get(self)->GetAllPreferences(
+          include_defaults ? true : false);
+
+  // Return type: refptr_same
+  return CefDictionaryValueCppToC::Wrap(_retval);
+}
+
+int CEF_CALLBACK
+preference_manager_can_set_preference(struct _cef_preference_manager_t* self,
+                                      const cef_string_t* name) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: name; type: string_byref_const
+  DCHECK(name);
+  if (!name)
+    return 0;
+
+  // Execute
+  bool _retval =
+      CefPreferenceManagerCppToC::Get(self)->CanSetPreference(CefString(name));
+
+  // Return type: bool
+  return _retval;
+}
+
+int CEF_CALLBACK
+preference_manager_set_preference(struct _cef_preference_manager_t* self,
+                                  const cef_string_t* name,
+                                  struct _cef_value_t* value,
+                                  cef_string_t* error) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: name; type: string_byref_const
+  DCHECK(name);
+  if (!name)
+    return 0;
+  // Verify param: error; type: string_byref
+  DCHECK(error);
+  if (!error)
+    return 0;
+  // Unverified params: value
+
+  // Translate param: error; type: string_byref
+  CefString errorStr(error);
+
+  // Execute
+  bool _retval = CefPreferenceManagerCppToC::Get(self)->SetPreference(
+      CefString(name), CefValueCppToC::Unwrap(value), errorStr);
+
+  // Return type: bool
+  return _retval;
+}
+
+}  // namespace
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefPreferenceManagerCppToC::CefPreferenceManagerCppToC() {
+  GetStruct()->has_preference = preference_manager_has_preference;
+  GetStruct()->get_preference = preference_manager_get_preference;
+  GetStruct()->get_all_preferences = preference_manager_get_all_preferences;
+  GetStruct()->can_set_preference = preference_manager_can_set_preference;
+  GetStruct()->set_preference = preference_manager_set_preference;
+}
+
+// DESTRUCTOR - Do not edit by hand.
+
+CefPreferenceManagerCppToC::~CefPreferenceManagerCppToC() {}
+
+template <>
+CefRefPtr<CefPreferenceManager> CefCppToCRefCounted<
+    CefPreferenceManagerCppToC,
+    CefPreferenceManager,
+    cef_preference_manager_t>::UnwrapDerived(CefWrapperType type,
+                                             cef_preference_manager_t* s) {
+  if (type == WT_REQUEST_CONTEXT) {
+    return CefRequestContextCppToC::Unwrap(
+        reinterpret_cast<cef_request_context_t*>(s));
+  }
+  NOTREACHED() << "Unexpected class type: " << type;
+  return nullptr;
+}
+
+template <>
+CefWrapperType CefCppToCRefCounted<CefPreferenceManagerCppToC,
+                                   CefPreferenceManager,
+                                   cef_preference_manager_t>::kWrapperType =
+    WT_PREFERENCE_MANAGER;