[DRP] Consistently use LoFi for an entire page

components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
index a33fafa814a38d29765d0fead52ae8ba31bd1105..f294e5d886330788234705e9c84f7447d234f9cd 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
@@ -26,6 +26,7 @@ using base::FieldTrialList;
 namespace {
 
 const char kEnabled[] = "Enabled";
+const char kControl[] = "Control";
 const char kDefaultSpdyOrigin[] = "https://proxy.googlezip.net:443";
 const char kDefaultQuicOrigin[] = "quic://proxy.googlezip.net:443";
 // A one-off change, until the Data Reduction Proxy configuration service is
@@ -80,6 +81,19 @@ std::string GetLoFiFlagFieldTrialName() {
   return kLoFiFlagFieldTrial;
 }
 
+bool IsIncludedInLoFiEnabledFieldTrial() {
+  return FieldTrialList::FindFullName(GetLoFiFieldTrialName()) == kEnabled;
+}
+
+bool IsIncludedInLoFiControlFieldTrial() {
+  return FieldTrialList::FindFullName(GetLoFiFieldTrialName()) == kControl;
+}
+
+bool IsLoFiOnViaFlags() {
+  return IsLoFiAlwaysOnViaFlags() || IsLoFiCellularOnlyViaFlags() ||
+         IsLoFiSlowConnectionsOnlyViaFlags();
+}
+
 bool IsLoFiAlwaysOnViaFlags() {
   const std::string& lo_fi_value =
       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(