remoting: Cleanup class/struct fwd declarations

remoting/test/app_remoting_report_issue_request.h

Index: remoting/test/app_remoting_report_issue_request.h
diff --git a/remoting/test/app_remoting_report_issue_request.h b/remoting/test/app_remoting_report_issue_request.h
index f118893d26d6cc686afc7ba6b4c196cf47b5086f..8c41eb4c11055f64ca0c909f1cb22dbc451947d9 100644
--- a/remoting/test/app_remoting_report_issue_request.h
+++ b/remoting/test/app_remoting_report_issue_request.h
@@ -14,9 +14,6 @@
 #include "net/url_request/url_fetcher_delegate.h"
 #include "remoting/test/app_remoting_service_urls.h"
 
-namespace net {
-class UrlFetcher;
-}
 namespace remoting {
 class URLRequestContextGetter;
 }