Isolate extension WebView profiles and follow host proxy settings

pkg/download/engine/webview/rpc.go

@@ -68,6 +68,9 @@ type IsAvailableResult struct {
 }
 
 type PageOpenParams struct {
+	ProfileID string `json:"profileId,omitempty"`
+	DataPath  string `json:"dataPath,omitempty"`
+	ProxyURL  string `json:"proxyUrl,omitempty"`
 	Headless  bool   `json:"headless,omitempty"`
 	Debug     bool   `json:"debug,omitempty"`
 	Title     string `json:"title,omitempty"`
@@ -78,6 +81,9 @@ type PageOpenParams struct {
 
 func NewPageOpenParams(opts OpenOptions) PageOpenParams {
 	return PageOpenParams{
+		ProfileID: opts.ProfileID,
+		DataPath:  opts.DataPath,
+		ProxyURL:  opts.ProxyURL,
 		Headless:  opts.Headless,
 		Debug:     opts.Debug,
 		Title:     opts.Title,