Make net::DataURL's MIME string check stricter

webkit/child/weburlloader_impl.cc

Index: webkit/child/weburlloader_impl.cc
diff --git a/webkit/child/weburlloader_impl.cc b/webkit/child/weburlloader_impl.cc
index 09273f8881b2fe825a330bfc50fbf72138860e49..e3d89627d3c13462ab54da9dd14f120f3c4072a4 100644
--- a/webkit/child/weburlloader_impl.cc
+++ b/webkit/child/weburlloader_impl.cc
@@ -132,7 +132,19 @@ bool GetInfoFromDataURL(const GURL& url,
     info->load_timing.request_start_time = now;
     info->request_time = now;
     info->response_time = now;
-    info->headers = NULL;
+
+    std::string raw_header = "HTTP/1.1 200 OK";
+    raw_header += '\0';
+    raw_header += "Content-Type: " + mime_type;
+    if (!charset.empty()) {
+      raw_header += ";charset=";
+      raw_header += charset;
+    }
+    raw_header += '\0';
+    raw_header += "Access-Control-Allow-Origin: *";
+    raw_header.append("\0\0", 2);
+
+    info->headers = new net::HttpResponseHeaders(raw_header);

[abarth-chromium, 2013/11/01 16:48:55]

It seems like there should be a higher-level API for this sort of thing.  I
think there's also an implementation in the browser process to update.

     info->mime_type.swap(mime_type);
     info->charset.swap(charset);
     info->security_info.clear();