Implement the new Photo picker, part one.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index cedb21adf3f309a81938b89eeb221861b18f735c..fc68368be4e0ae9d2e9159ce7e3a9f3f65e68d94 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -99990,6 +99990,7 @@ from previous Chrome versions.
   <int value="1906942630" label="enable-easy-unlock"/>
   <int value="1915178511" label="disable-blink-features"/>
   <int value="1927259098" label="TranslateLanguageByULP:enabled"/>
+  <int value="1928407249" label="NewPhotoPicker:enabled"/>
   <int value="1930901873" label="disable-sync-app-list"/>
   <int value="1931309368" label="fill-on-account-select:disabled"/>
   <int value="1939413645" label="enable-invalid-cert-collection"/>
@@ -99999,6 +100000,7 @@ from previous Chrome versions.
   <int value="1951466218" label="enable-data-reduction-proxy-lite-page"/>
   <int value="1955677113" label="trace-export-events-to-etw"/>
   <int value="1958387645" label="ScanCardsInWebPayments:enabled"/>
+  <int value="1960169775" label="NewPhotoPicker:disabled"/>
   <int value="1961425320" label="force-qtkit"/>
   <int value="1964816410" label="AndroidPayIntegrationV2:enabled"/>
   <int value="1966730288" label="disable-threaded-compositing"/>