[DevTools] Fix to double wrapping IPv6 in square brackets

components/test_runner/web_frame_test_client.cc

Index: components/test_runner/web_frame_test_client.cc
diff --git a/components/test_runner/web_frame_test_client.cc b/components/test_runner/web_frame_test_client.cc
index bdc757966618084c40dfecec2ad5a77213ea59cb..6b18bd42adc29682371e20584b8f837d20750a5d 100644
--- a/components/test_runner/web_frame_test_client.cc
+++ b/components/test_runner/web_frame_test_client.cc
@@ -116,7 +116,7 @@ void BlockRequest(blink::WebURLRequest& request) {
 }
 
 bool IsLocalHost(const std::string& host) {
-  return host == "127.0.0.1" || host == "localhost";
+  return host == "127.0.0.1" || host == "localhost" || host == "[::1]";
 }
 
 bool IsTestHost(const std::string& host) {