[DRP] Consistently use LoFi for an entire page

components/data_reduction_proxy/core/common/data_reduction_proxy_params.h

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_params.h
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.h b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.h
index 16629239156530d5ac7a0d73d16178c2a3355aba..dd1e22ee7e1f47a00c2312ad8bd53b7456bc0da0 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.h
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.h
@@ -43,6 +43,11 @@ bool IsIncludedInHoldbackFieldTrial();
 // a promotion for the data reduction proxy on Android One devices.
 bool IsIncludedInAndroidOnePromoFieldTrial(const char* build_fingerprint);
 
+// Returns true if this client has any of the the command line switches to
+// enable Lo-Fi mode. This includes the always on, cellular only, and slow
+// connections switches.
+bool IsLoFiOnViaFlags();
+
 // Returns true if this client has the command line switch to enable Lo-Fi
 // mode always on.
 bool IsLoFiAlwaysOnViaFlags();
@@ -74,6 +79,14 @@ std::string GetLoFiFieldTrialName();
 // is force enabled through flags.
 std::string GetLoFiFlagFieldTrialName();
 
+// Returns true if this client is part of Lo-Fi enabled field trial.
+// Virtualized for unit testing.
+bool IsIncludedInLoFiEnabledFieldTrial();
+
+// Returns true if this client is part of Lo-Fi control field trial.
+// Virtualized for unit testing.
+bool IsIncludedInLoFiControlFieldTrial();
+
 std::string GetQuicFieldTrialName();
 
 // Returns the name of the client config field trial.