Merge revision 1487 changes:

- Fix memory corruption in browser-initiated CefURLRequests (issue #1118).

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1453@1490 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef3/libcef/browser/browser_urlrequest_impl.cc

@@ -347,7 +347,10 @@ CefURLFetcherDelegate::~CefURLFetcherDelegate() {
 
 void CefURLFetcherDelegate::OnURLFetchComplete(
     const net::URLFetcher* source) {
-  context_->OnComplete();
+  // Complete asynchronously so as not to delete the URLFetcher while it's still
+  // in the call stack.
+  MessageLoop::current()->PostTask(FROM_HERE,
+      base::Bind(&CefBrowserURLRequest::Context::OnComplete, context_));
 }
 
 void CefURLFetcherDelegate::OnURLFetchDownloadProgress(