[Devtools] Allow User-Agent header override for Websockets

content/browser/renderer_host/websocket_host.cc

Index: content/browser/renderer_host/websocket_host.cc
diff --git a/content/browser/renderer_host/websocket_host.cc b/content/browser/renderer_host/websocket_host.cc
index cce4485b3d4d67801e5037ee042d88fd5aaaaa41..d53cd69b03541a7228603099b5ae273d18a14066 100644
--- a/content/browser/renderer_host/websocket_host.cc
+++ b/content/browser/renderer_host/websocket_host.cc
@@ -399,22 +399,26 @@ void WebSocketHost::OnAddChannelRequest(
     const GURL& socket_url,
     const std::vector<std::string>& requested_protocols,
     const url::Origin& origin,
+    const std::string& additional_headers,
     int render_frame_id) {
   DVLOG(3) << "WebSocketHost::OnAddChannelRequest"
            << " routing_id=" << routing_id_ << " socket_url=\"" << socket_url
            << "\" requested_protocols=\""
            << base::JoinString(requested_protocols, ", ") << "\" origin=\""
-           << origin << "\"";
+           << origin << "\" additional_headers=\"" << additional_headers
+           << "\"";
 
   DCHECK(!channel_);
   if (delay_ > base::TimeDelta()) {
     base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&WebSocketHost::AddChannel, weak_ptr_factory_.GetWeakPtr(),
-                   socket_url, requested_protocols, origin, render_frame_id),
+                  socket_url, requested_protocols, origin,
+                  additional_headers, render_frame_id),
         delay_);
   } else {
-    AddChannel(socket_url, requested_protocols, origin, render_frame_id);
+    AddChannel(socket_url, requested_protocols, origin,
+                  additional_headers, render_frame_id);
   }
   // |this| may have been deleted here.
 }
@@ -423,12 +427,14 @@ void WebSocketHost::AddChannel(
     const GURL& socket_url,
     const std::vector<std::string>& requested_protocols,
     const url::Origin& origin,
+    const std::string& additional_headers,
     int render_frame_id) {
   DVLOG(3) << "WebSocketHost::AddChannel"
            << " routing_id=" << routing_id_ << " socket_url=\"" << socket_url
            << "\" requested_protocols=\""
            << base::JoinString(requested_protocols, ", ") << "\" origin=\""
-           << origin << "\"";
+           << origin << "\" additional_headers=\""
+           << additional_headers << "\"";
 
   DCHECK(!channel_);
 
@@ -450,8 +456,9 @@ void WebSocketHost::AddChannel(
                               pending_flow_control_quota_));
     pending_flow_control_quota_ = 0;
   }
-
-  channel_->SendAddChannelRequest(socket_url, requested_protocols, origin);
+  channel_->SendAddChannelRequest(
+          socket_url, requested_protocols, origin,
+          additional_headers);
   // |this| may have been deleted here.
 }