Sending a data saver Pageload metrics pingback

components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc
index cecb13740e080fdf06716ea6c1eb00253f23eecf..dc65c52936346ef05d97ec9a3e92add96df2feca 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_switches.cc
@@ -40,20 +40,22 @@ const char kDataReductionProxyKey[] = "spdy-proxy-auth-value";
 
 // The mode for Data Reduction Proxy Lo-Fi. The various modes are always-on,
 // cellular-only, slow connections only and disabled.
 const char kDataReductionProxyLoFi[] = "data-reduction-proxy-lo-fi";
 const char kDataReductionProxyLoFiValueAlwaysOn[] = "always-on";
 const char kDataReductionProxyLoFiValueCellularOnly[] = "cellular-only";
 const char kDataReductionProxyLoFiValueDisabled[] = "disabled";
 const char kDataReductionProxyLoFiValueSlowConnectionsOnly[] =
     "slow-connections-only";
 
+const char kDataReductionPingbackURL[] = "data-reduction-proxy-pingback-url";
+
 // Sets a secure proxy check URL to test before committing to using the Data
 // Reduction Proxy. Note this check does not go through the Data Reduction
 // Proxy.
 const char kDataReductionProxySecureProxyCheckURL[] =
     "data-reduction-proxy-secure-proxy-check-url";
 
 // Disables server experiments that may be enabled through field trial.
 const char kDataReductionProxyServerExperimentsDisabled[] =
     "data-reduction-proxy-server-experiments-disabled";
 
@@ -76,12 +78,16 @@ const char kEnableDataReductionProxyBypassWarning[] =
 // Enables the origin of the carrier test data reduction proxy.
 const char kEnableDataReductionProxyCarrierTest[] =
     "enable-data-reduction-proxy-carrier-test";
 
 // Enables preview mode for Lo-Fi. This means a preview should be requested
 // instead of placeholders whenever Lo-Fi mode is on. Lo-Fi must also be enabled
 // via a flag or field trial.
 const char kEnableDataReductionProxyLoFiPreview[] =
     "enable-data-reduction-proxy-lo-fi-preview";
 
+// Enables sending a pageload metrics pingback after every page load.
+const char kEnableDataReductionProxyForcePingback[] =
+    "enable-data-reduction-proxy-force-pingback";
+
 }  // namespace switches
 }  // namespace data_reduction_proxy