Merge pull request #1941 from daisukeueta/master

Added == operator and hashCode to WebUri

flutter_inappwebview_platform_interface/lib/src/web_uri.dart

@@ -188,6 +188,23 @@ class WebUri implements Uri {
   @override
   String get userInfo => _uri.userInfo;
 
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is WebUri &&
+          runtimeType == other.runtimeType &&
+          _uri == other._uri &&
+          _rawValue == other._rawValue &&
+          _isValidUri == other._isValidUri &&
+          forceToStringRawValue == other.forceToStringRawValue;
+
+  @override
+  int get hashCode =>
+      _uri.hashCode ^
+      _rawValue.hashCode ^
+      _isValidUri.hashCode ^
+      forceToStringRawValue.hashCode;
+
   ///If [forceToStringRawValue] is `true` or [isValidUri] is `false`, it returns [rawValue],
   ///otherwise the value of [uriValue]`.toString()`.
   @override