增加安全水印接口说明文档

Signed-off-by: Nlixia7819 <lixia110@huawei.com>

en/application-dev/reference/apis/js-apis-window.md

@@ -916,103 +916,6 @@ try {
 }
 ```
 
-## window.on('waterMarkFlagChange')<sup>10+</sup>
-
-on(type: 'waterMarkFlagChange', callback: Callback&lt;boolean&gt;): void
-
-Subscribes to the watermark flag status change event.
-
-**System API**: This is a system API.
-
-**System capability**: SystemCapability.WindowManager.WindowManager.Core
-
-**Parameters**
-
-| Name  | Type                    | Mandatory| Description                                                                         |
-| -------- | ----------------------- | ---- | ----------------------------------------------------------------------------- |
-| type     | string                  | Yes  | Event type. The value is fixed at **'waterMarkFlagChange'**, indicating the watermark flag status change event.   |
-| callback | Callback&lt;boolean&gt; | Yes  | Callback used to return the watermark flag status. The value **true** means that the watermark is currently enabled, and **false** means that the watermark is changed to disabled.|
-
-**Error codes**
-
-For details about the error codes, see [Window Error Codes](../errorcodes/errorcode-window.md).
-
-| ID| Error Message|
-| ------- | -------------------------------------------- |
-| 1300003 | This window manager service works abnormally. |
-
-**Example**
-
-```js
-try {
-    window.on('waterMarkFlagChange', (data) => {
-        console.info('Succeeded in enabling the listener for watermark flag status changes. Data: ' + JSON.stringify(data));
-    });
-} catch (exception) {
-    console.error('Failed to enable the listener for watermark flag status changes. Cause: ' + JSON.stringify(exception));
-}
-```
-
-## window.off('waterMarkFlagChange')<sup>10+</sup>
-
-off(type: 'waterMarkFlagChange', callback?: Callback&lt;boolean&gt;): void
-
-Unsubscribes from the watermark flag status change event.
-
-**System API**: This is a system API.
-
-**System capability**: SystemCapability.WindowManager.WindowManager.Core
-
-**Parameters**
-
-| Name  | Type                    | Mandatory| Description                                                       |
-| -------- | ----------------------- | -- | ------------------------------------------------------------ |
-| type     | string                  | Yes| Event type. The value is fixed at **'waterMarkFlagChange'**, indicating the watermark flag status change event.|
-| callback | Callback&lt;boolean&gt; | No| Callback function that has been used for registering the listener. If a value is passed in, the corresponding subscription is canceled. If no value is passed in, all subscriptions to the specified event are canceled.|
-
-**Error codes**
-
-For details about the error codes, see [Window Error Codes](../errorcodes/errorcode-window.md).
-
-| ID| Error Message|
-| ------- | -------------------------------------------- |
-| 1300003 | This window manager service works abnormally. |
-
-**Example**
-
-```js
-try {
-    window.off('waterMarkFlagChange');
-} catch (exception) {
-    console.error('Failed to disable the listener for watermark flag status changes. Cause: ' + JSON.stringify(exception));
-}
-```
-
-## window.setGestureNavigationEnabled<sup>10+</sup>
-setGestureNavigationEnabled(enable: boolean, callback: AsyncCallback&lt;void&gt;): void
-
-Enables or disables gesture navigation. This API uses an asynchronous callback to return the result.
-
-**System API**: This is a system API.
-
-**System capability**: SystemCapability.WindowManager.WindowManager.Core
-
-**Parameters**
-
-| Name  | Type                     | Mandatory| Description          |
-| -------- | ------------------------- | ---- | -------------- |
-| enable   | boolean                  | Yes  | Whether to enable gesture navigation. The value **true** means to enable gesture navigation, and **false** means the opposite.|
-| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
-
-**Error codes**
-
-For details about the error codes, see [Window Error Codes](../errorcodes/errorcode-window.md).
-
-| ID| Error Message|
-| ------- | --------------------------------------------- |
-| 1300002 | This window state is abnormal.                |
-| 1300003 | This window manager service works abnormally. |
-
 **Example**
 
 ```js