PlzNavigate: inform the renderer that a navigation is a POST

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index bf31e7fe9486d1c6a15c414a380961d1ebf6a179..639ded6578cef0430ef8ac37a7bf86e7f31f8b31 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -554,7 +554,6 @@ void WebURLLoaderImpl::Context::Start(const WebURLRequest& request,
     CHECK(IsBrowserSideNavigationEnabled());
     DCHECK(!sync_load_response);
     DCHECK_NE(WebURLRequest::FrameTypeNone, request.frameType());
-    DCHECK_EQ("GET", request.httpMethod().latin1());
     request_info.resource_body_stream_url = stream_override_->stream_url;
   }