Sending a data saver Pageload metrics pingback

components/data_reduction_proxy.gypi

Index: components/data_reduction_proxy.gypi
diff --git a/components/data_reduction_proxy.gypi b/components/data_reduction_proxy.gypi
index 471659cf2283dd7ba50145c908e7ca51d222a78a..52732b180baf19dc1eaeed7ed8545dc5bc33d546 100644
--- a/components/data_reduction_proxy.gypi
+++ b/components/data_reduction_proxy.gypi
@@ -28,20 +28,22 @@
         'data_reduction_proxy/core/browser/data_reduction_proxy_interceptor.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_interceptor.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_metrics.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.h',
+        'data_reduction_proxy/core/browser/data_reduction_proxy_pingback_client.cc',
+        'data_reduction_proxy/core/browser/data_reduction_proxy_pingback_client.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_prefs.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_request_options.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_service.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_service.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_service_observer.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_settings.cc',
         'data_reduction_proxy/core/browser/data_reduction_proxy_settings.h',
         'data_reduction_proxy/core/browser/data_reduction_proxy_tamper_detection.cc',
@@ -64,20 +66,21 @@
         'data_reduction_proxy/core/common/data_reduction_proxy_bypass_action_list.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_bypass_type_list.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_config_values.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_event_creator.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_event_creator.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_event_storage_delegate.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_event_store.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_event_store.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_headers.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_headers.h',
+        'data_reduction_proxy/core/common/data_reduction_proxy_page_load_timing.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_params.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_params.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_pref_names.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_switches.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_switches.h',
         'data_reduction_proxy/core/common/data_reduction_proxy_util.cc',
         'data_reduction_proxy/core/common/data_reduction_proxy_util.h',
         'data_reduction_proxy/core/common/lofi_decider.h',
         'data_reduction_proxy/core/common/lofi_ui_service.h',
@@ -246,20 +249,21 @@
       'target_name': 'data_reduction_proxy_proto',
       'type': 'static_library',
       'dependencies': [
       ],
       'include_dirs': [
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'data_reduction_proxy/proto/client_config.proto',
         'data_reduction_proxy/proto/data_store.proto',
+        'data_reduction_proxy/proto/pageload_metrics.proto',
       ],
       'variables': {
         'proto_in_dir': 'data_reduction_proxy/proto',
         'proto_out_dir': 'components/data_reduction_proxy/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
     {
       'target_name': 'data_reduction_proxy_version_header',
       'type': 'none',