Add space to Accept-Encoding header values.

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index d6b35dc59e5161552bf903ea967de966f3f45078..79754362e59ea76aca402447c6b3ab0d524d0950 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -521,11 +521,11 @@ void URLRequestHttpJob::AddExtraHeaders() {
     if (!advertise_sdch) {
       // Tell the server what compression formats we support (other than SDCH).
       request_info_.extra_headers.SetHeader(
-          HttpRequestHeaders::kAcceptEncoding, "gzip,deflate");
+          HttpRequestHeaders::kAcceptEncoding, "gzip, deflate");
     } else {
       // Include SDCH in acceptable list.
       request_info_.extra_headers.SetHeader(
-          HttpRequestHeaders::kAcceptEncoding, "gzip,deflate,sdch");
+          HttpRequestHeaders::kAcceptEncoding, "gzip, deflate, sdch");
       if (!avail_dictionaries.empty()) {
         request_info_.extra_headers.SetHeader(
             kAvailDictionaryHeader,