tools/metrics/histograms/enums.xml

Index: tools/metrics/histograms/enums.xml
diff --git a/tools/metrics/histograms/enums.xml b/tools/metrics/histograms/enums.xml
index c8a6a73f7562ff63de67b5ec88e21fe569e74eef..48f68110c5a993943ad27f7d581b51a31bc834b1 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -6431,6 +6431,23 @@ uploading your change for review.  These are checked by presubmit scripts.
   <int value="2" label="Has enough SCTs"/>
 </enum>
 
+<enum name="CustomTabsSpeculationStatus" type="int">
+  <int value="0" label="Allowed"/>
+  <int value="1" label="Prefetch"/>
+  <int value="2" label="Prerender"/>
+  <int value="3" label="Background Tab"/>
+  <int value="4" label="Background Tab Taken"/>
+  <int value="5" label="Background Tab Not Matched"/>
+  <int value="6" label="Prerender Not Started"/>
+  <int value="7" label="Prerender Taken"/>
+  <int value="8" label="Prerender Not Matched"/>
+  <int value="9" label="Aborted: Device class"/>
+  <int value="10" label="Aborted: Block 3rd Party Cookies"/>
+  <int value="11" label="Aborted: Network Prediction Disabled"/>
+  <int value="12" label="Aborted: Data Reduction Enabled"/>
+  <int value="13" label="Aborted: Network Metered"/>
+</enum>
+
 <enum name="D3D11InitializeResult" type="int">
   <int value="0" label="Success"/>
   <int value="1" label="Error initializing compiler"/>