Adding the Previews infobar to pages that show a client LoFi image

components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc
index 6752c415e7861dbec641209707bdcbf868b57226..dcba55a78278e4d2969d01def100cdde46f86960 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc
@@ -380,10 +380,17 @@ void DataReductionProxyNetworkDelegate::OnCompletedInternal(
                                                               net_error);
 
   net::HttpRequestHeaders request_headers;
-  if (data_reduction_proxy_io_data_ && request->response_headers() &&
-      IsEmptyImagePreview(*(request->response_headers()))) {
+  bool server_lofi = data_reduction_proxy_io_data_ &&
+                     request->response_headers() &&
+                     IsEmptyImagePreview(*(request->response_headers()));
+  bool client_lofi =
+      !server_lofi && data_reduction_proxy_io_data_ &&
+      data_reduction_proxy_io_data_->lofi_decider() &&
+      data_reduction_proxy_io_data_->lofi_decider()->IsClientLoFiImageRequest(
+          *request);
+  if (server_lofi || client_lofi) {
     data_reduction_proxy_io_data_->lofi_ui_service()->OnLoFiReponseReceived(
-        *request);
+        *request, server_lofi /* is_server_lofi */);

[sclittle, 2017/05/03 22:51:30]

nit: I don't think you need the /* is_server_lofi */ comment here, since
|server_lofi| should be pretty self-evident.

[RyanSturm, 2017/05/03 23:20:30]

Oops. Definitely agree. Done.

   } else if (data_reduction_proxy_io_data_ && request->response_headers() &&
              IsLitePagePreview(*(request->response_headers()))) {
     RecordLitePageTransformationType(LITE_PAGE);