[webview_flutter] Update some comments to be more explicit

Author: khaled-0

packages/webview_flutter/webview_flutter/lib/src/webview_cookie_manager.dart

@@ -87,10 +87,14 @@ class WebViewCookieManager {
   /// This is a no op on iOS versions below 11.
   Future<void> setCookie(WebViewCookie cookie) => platform.setCookie(cookie);
 
-  /// Gets a list of existing cookie for all or specified domain for all WebViews.
+  /// Gets a list of existing cookie for specified domain from all
+  /// WebView instances of the application.
   ///
-  /// Android: Entire domain must be provided alongside scheme
-  /// iOS & macOS: ignores scheme and supports partial match based on host
+  /// On iOS & macOS if domain is not provided then it returns all cookies.
+  ///
+  /// Android: Entire domain must be provided alongside scheme.
+  ///
+  /// iOS & macOS: ignores scheme and uses partial match based on host.
   Future<List<WebViewCookie>> getCookies({Uri? domain}) =>
       platform.getCookies(domain);
 }

packages/webview_flutter/webview_flutter_platform_interface/lib/src/platform_webview_cookie_manager.dart

@@ -65,9 +65,14 @@ abstract class PlatformWebViewCookieManager extends PlatformInterface {
     );
   }
 
-  /// Gets a list of existing cookie for all or specified domain for all WebViews.
-  /// Android: Entire domain must be provided alongside scheme
-  /// iOS: ignores scheme and supports partial match based on host
+  /// Gets a list of existing cookie for specified domain from all
+  /// WebView instances of the application.
+  ///
+  /// On iOS & macOS if domain is not provided then it returns all cookies.
+  ///
+  /// Android: Entire domain must be provided alongside scheme.
+  ///
+  /// iOS & macOS: ignores scheme and uses partial match based on host.
   Future<List<WebViewCookie>> getCookies(Uri? domain) {
     throw UnimplementedError(
       'getCookie is not implemented on the current platform',

packages/webview_flutter/webview_flutter_platform_interface/lib/src/types/webview_cookie.dart

@@ -41,6 +41,6 @@ class WebViewCookie {
 
   @override
   String toString() {
-    return 'WebViewCookie{name: $name, domain: $domain, path: $path}';
+    return 'WebViewCookie{name: $name, value: $value, domain: $domain, path: $path}';
   }
 }