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

components/data_reduction_proxy/core/common/lofi_ui_service.h

Index: components/data_reduction_proxy/core/common/lofi_ui_service.h
diff --git a/components/data_reduction_proxy/core/common/lofi_ui_service.h b/components/data_reduction_proxy/core/common/lofi_ui_service.h
index 656dab4de9bd51c2e39f9e14a1f06a79c4a6f3f2..0b17579eb3a39baa07627d8ff3d12cc4f0642e19 100644
--- a/components/data_reduction_proxy/core/common/lofi_ui_service.h
+++ b/components/data_reduction_proxy/core/common/lofi_ui_service.h
@@ -20,7 +20,10 @@ class LoFiUIService {
   virtual ~LoFiUIService() {}
 
   // Notifies the UI thread that |request| has a Lo-Fi response.
-  virtual void OnLoFiReponseReceived(const net::URLRequest& request) = 0;
+  // |is_server_lofi| is whether this was a client LoFi optimization or a server

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

nit: s/client LoFi/Client Lo-Fi/

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

Done.

+  // LoFi optimization.

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

nit: for consistency, could you hyphenate LoFi as "Lo-Fi" in comments? Here and
elsewhere in the CL

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

Done.

+  virtual void OnLoFiReponseReceived(const net::URLRequest& request,
+                                     bool is_server_lofi) = 0;
 };
 
 }  // namespace data_reduction_proxy