RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
    : RenderWidget(WebKit::WebPopupTypeNone,
                   params->screen_info,
                   params->swapped_out),
      webkit_preferences_(params->webkit_prefs),
      send_content_state_immediately_(false),
      enabled_bindings_(0),
      send_preferred_size_changes_(false),
      auto_resize_mode_(false),
      is_loading_(false),
      navigation_gesture_(NavigationGestureUnknown),
      opened_by_user_gesture_(true),
      opener_suppressed_(false),
      page_id_(-1),
      last_page_id_sent_to_browser_(-1),
      next_page_id_(params->next_page_id),
      history_list_offset_(-1),
      history_list_length_(0),
      target_url_status_(TARGET_NONE),
      selection_text_offset_(0),
      selection_range_(ui::Range::InvalidRange()),
      cached_is_main_frame_pinned_to_left_(false),
      cached_is_main_frame_pinned_to_right_(false),
      cached_has_main_frame_horizontal_scrollbar_(false),
      cached_has_main_frame_vertical_scrollbar_(false),
      ALLOW_THIS_IN_INITIALIZER_LIST(cookie_jar_(this)),
      notification_provider_(NULL),
      geolocation_dispatcher_(NULL),
      input_tag_speech_dispatcher_(NULL),
      speech_recognition_dispatcher_(NULL),
      device_orientation_dispatcher_(NULL),
      media_stream_dispatcher_(NULL),
      browser_plugin_manager_(NULL),
      media_stream_impl_(NULL),
      devtools_agent_(NULL),
      accessibility_mode_(AccessibilityModeOff),
      renderer_accessibility_(NULL),
      java_bridge_dispatcher_(NULL),
      mouse_lock_dispatcher_(NULL),
      favicon_helper_(NULL),
#if defined(OS_ANDROID)
      body_background_color_(SK_ColorWHITE),
      update_frame_info_scheduled_(false),
      expected_content_intent_id_(0),
      media_player_proxy_(NULL),
      synchronous_find_active_match_ordinal_(-1),
      enumeration_completion_id_(0),
      ALLOW_THIS_IN_INITIALIZER_LIST(
          load_progress_tracker_(new LoadProgressTracker(this))),
#endif
      session_storage_namespace_id_(params->session_storage_namespace_id),
      decrement_shared_popup_at_destruction_(false),
      handling_select_range_(false),
      next_snapshot_id_(0),
#if defined(OS_WIN)
      focused_plugin_id_(-1),
#endif
      updating_frame_tree_(false),
      pending_frame_tree_update_(false),
      target_process_id_(0),
      target_routing_id_(0) {
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.