PlzNavigate: support NavigationThrottle::WillProcessResponse

content/browser/loader/navigation_url_loader_impl.cc

Index: content/browser/loader/navigation_url_loader_impl.cc
diff --git a/content/browser/loader/navigation_url_loader_impl.cc b/content/browser/loader/navigation_url_loader_impl.cc
index 1f95ce3165fc1889f5852f074cbaa1a5183028fd..1d0edd41982fbbdc836092ea030efd2cb8d16b9e 100644
--- a/content/browser/loader/navigation_url_loader_impl.cc
+++ b/content/browser/loader/navigation_url_loader_impl.cc
@@ -62,6 +62,15 @@ void NavigationURLLoaderImpl::FollowRedirect() {
                  base::Unretained(core_)));
 }
 
+void NavigationURLLoaderImpl::ProceedWithResponse() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&NavigationURLLoaderImplCore::ProceedWithResponse,
+                 base::Unretained(core_)));
+}
+
 void NavigationURLLoaderImpl::NotifyRequestRedirected(
     const net::RedirectInfo& redirect_info,
     const scoped_refptr<ResourceResponse>& response) {