[Gin] Change the Ignition experiment to test Ignition+TurboFan.

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 744dac8ff16f3bbbbc44c76d82ef91885c11f113..a38699516ca36438b4d20e93b76be7c5cb547506 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -94662,6 +94662,7 @@ value.
 -->
 
   <summary>Chrome flags that lead to chrome restart on ChromeOS.</summary>
+  <int value="-2146613579" label="V8Future:disabled"/>
   <int value="-2143328006"
       label="enable-fill-on-account-select-no-highlighting"/>
   <int value="-2143113994" label="enable-ephemeral-apps-in-webstore"/>
@@ -95550,6 +95551,7 @@ value.
   <int value="1821723343" label="disable-saml-signin"/>
   <int value="1827369558" label="AndroidPayIntegrationV1:disabled"/>
   <int value="1828660283" label="enable-webfonts-intervention-trigger"/>
+  <int value="1838990777" label="V8Future:enabled"/>
   <int value="1844110073" label="enable-app-view"/>
   <int value="1847024354" label="enable-hotword-hardware"/>
   <int value="1852630189" label="NTPBookmarkSuggestions:disabled"/>