Fix doc comments to correspond to the method

Author: mataku

packages/webview_flutter/webview_flutter_android/android/src/main/java/io/flutter/plugins/webviewflutter/WebSettingsCompatProxyApi.java

@@ -10,9 +10,10 @@
 import androidx.webkit.WebViewFeature;
 
 /**
- * Host api implementation for {@link WebSettingsCompat}.
+ * Proxy API implementation for {@link WebSettingsCompat}.
  *
- * <p>Handles static methods for {@link WebSettingsCompat}.
+ * <p>This class may handle instantiating and adding native object instances that are attached to a
+ * Dart instance or handle method calls on the associated native class or an instance of the class.
  */
 public class WebSettingsCompatProxyApi extends PigeonApiWebSettingsCompat {
   public WebSettingsCompatProxyApi(@NonNull ProxyApiRegistrar pigeonRegistrar) {

packages/webview_flutter/webview_flutter_android/android/src/main/java/io/flutter/plugins/webviewflutter/WebViewFeatureProxyApi.java

@@ -8,9 +8,10 @@
 import androidx.webkit.WebViewFeature;
 
 /**
- * Host api implementation for {@link WebViewFeature}.
+ * Proxy API implementation for {@link WebViewFeature}.
  *
- * <p>Handles creating {@link WebViewFeature}s that intercommunicate with a paired Dart object.
+ * <p>This class may handle instantiating and adding native object instances that are attached to a
+ * Dart instance or handle method calls on the associated native class or an instance of the class.
  */
 public class WebViewFeatureProxyApi extends PigeonApiWebViewFeature {
   public WebViewFeatureProxyApi(@NonNull ProxyApiRegistrar pigeonRegistrar) {

packages/webview_flutter/webview_flutter_android/lib/src/android_webview_controller.dart

@@ -804,6 +804,9 @@ class AndroidWebViewController extends PlatformWebViewController {
   ///
   /// Before calling this method, you should check if the feature is supported using
   /// [isWebViewFeatureSupported] with [WebViewFeatureConstants.paymentRequest].
+  ///
+  /// This feature requires adding queries to the AndroidManifest.xml to allow WebView to query the device for the user's payment applications:
+  /// See https://developer.android.com/reference/androidx/webkit/WebSettingsCompat#setPaymentRequestEnabled(android.webkit.WebSettings,boolean).
   Future<void> setPaymentRequestEnabled(bool enabled) {
     return _androidWebViewParams.androidWebViewProxy.setPaymentRequestEnabled(
       _webView.settings,
@@ -938,9 +941,13 @@ enum MixedContentMode {
   neverAllow,
 }
 
+/// WebView support library feature types used to query for support on the device.
+///
 /// See https://developer.android.com/reference/androidx/webkit/WebViewFeature#constants_1.
 enum WebViewFeatureType {
-  /// Feature for isFeatureSupported. This feature covers [WebSettingsCompat.setPaymentRequestEnabled].
+  /// Feature for isFeatureSupported.
+  ///
+  /// This feature covers [WebSettingsCompat.setPaymentRequestEnabled].
   paymentRequest,
 }
 

packages/webview_flutter/webview_flutter_android/pigeons/android_webkit.dart

@@ -1092,6 +1092,9 @@ abstract class Certificate {
   Uint8List getEncoded();
 }
 
+/// Compatibility version of `WebSettings`.
+///
+/// See https://developer.android.com/reference/kotlin/androidx/webkit/WebSettingsCompat.
 @ProxyApi(
   kotlinOptions: KotlinProxyApiOptions(
     fullClassName: 'androidx.webkit.WebSettingsCompat',
@@ -1105,6 +1108,9 @@ abstract class WebSettingsCompat {
   );
 }
 
+/// Utility class for checking which WebView Support Library features are supported on the device.
+///
+/// See https://developer.android.com/reference/kotlin/androidx/webkit/WebViewFeature.
 @ProxyApi(
   kotlinOptions: KotlinProxyApiOptions(
     fullClassName: 'androidx.webkit.WebViewFeature',