Add more test cases for HttpUtil::PathForRequest() and SpecForRequest()

net/http/http_util_icu.cc

Index: net/http/http_util_icu.cc
diff --git a/net/http/http_util_icu.cc b/net/http/http_util_icu.cc
index 4f38f84d75bac2bc52f005885f454a69ab5b1b2e..6f2af64efc96065ccfdc3cbd43ad7bfd08fe3e63 100644
--- a/net/http/http_util_icu.cc
+++ b/net/http/http_util_icu.cc
@@ -12,9 +12,14 @@
 
 namespace net {
 
+static bool SchemeIsWebSocket(const GURL& url) {
+  return url.SchemeIs("ws") || url.SchemeIs("wss");
+}
+
 // static
 std::string HttpUtil::PathForRequest(const GURL& url) {
-  DCHECK(url.is_valid() && url.SchemeIsHTTPOrHTTPS());
+  DCHECK(url.is_valid() && (url.SchemeIsHTTPOrHTTPS() ||
+                            SchemeIsWebSocket(url)));
   if (url.has_query())
     return url.path() + "?" + url.query();
   return url.path();
@@ -24,7 +29,8 @@ std::string HttpUtil::PathForRequest(const GURL& url) {
 std::string HttpUtil::SpecForRequest(const GURL& url) {
   // We may get ftp scheme when fetching ftp resources through proxy.
   DCHECK(url.is_valid() && (url.SchemeIsHTTPOrHTTPS() ||
-                            url.SchemeIs("ftp")));
+                            url.SchemeIs("ftp") ||
+                            SchemeIsWebSocket(url)));
   return SimplifyUrlForRequest(url).spec();
 }