[DRP] Consistently use LoFi for an entire page

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
index 9fb4b00a99a573096e1060b1dfeec48ea29121a3..025d60cac407869b45209c5d575c18d27bea4a48 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
@@ -25,6 +25,7 @@
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
+#include "net/base/load_flags.h"
 #include "net/log/net_log.h"
 #include "net/url_request/http_user_agent_settings.h"
 #include "net/url_request/static_http_user_agent_settings.h"
@@ -262,6 +263,13 @@ void DataReductionProxyIOData::SetDataReductionProxyConfiguration(
     config_client_->ApplySerializedConfig(serialized_config);
 }
 
+bool DataReductionProxyIOData::ShouldEnableLoFiMode(net::URLRequest* request) {
+  DCHECK(request && (request->load_flags() & net::LOAD_MAIN_FRAME) != 0);
+  if (!config_)
+    return false;
+  return config_->ShouldEnableLoFiMode(request);
+}
+
 void DataReductionProxyIOData::SetLoFiModeOff() {
   config_->SetLoFiModeOff();
 }