Fix Data Saver download crash

components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
index ef1e77faa3d285d7bf8659c86e794643d9dfe712..44fd7536571b84a8ebe91f8c06d627f63e70a89f 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
@@ -30,7 +30,8 @@ namespace {
 
 const char kChromeProxyHeader[] = "chrome-proxy";
 const char kDataReductionPassThroughHeader[] =
-    "Chrome-Proxy-Accept-Transform: identity\nCache-Control: no-cache";
+    "Chrome-Proxy-Accept-Transform: identity\r\nCache-Control: "
+    "no-cache\r\n\r\n";
 const char kChromeProxyECTHeader[] = "chrome-proxy-ect";
 const char kChromeProxyAcceptTransformHeader[] =
     "chrome-proxy-accept-transform";