Extracting more than one wallpaper prominent color

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 7c78f3cba46495ccf7c066626a9497e28b3349f0..5633395a7c7df6f4d71cbc84673a7cd55b02d2a2 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -37688,6 +37688,21 @@ from previous Chrome versions.
   <int value="1" label="Android Wallpapers App"/>
 </enum>
 
+<enum name="WallpaperColorExtractionResult">
+  <int value="0" label="(Dark, Vibrant): failure"/>
+  <int value="1" label="(Dark, Vibrant): success"/>
+  <int value="2" label="(Normal, Vibrant): failure"/>
+  <int value="3" label="(Normal, Vibrant): success"/>
+  <int value="4" label="(Light, Vibrant): failure"/>
+  <int value="5" label="(Light, Vibrant): success"/>
+  <int value="6" label="(Dark, Muted): failure"/>
+  <int value="7" label="(Dark, Muted): success"/>
+  <int value="8" label="(Normal, Muted): failure"/>
+  <int value="9" label="(Normal, Muted): success"/>
+  <int value="10" label="(Light, Muted): failure"/>
+  <int value="11" label="(Light, Muted): success"/>
+</enum>
+
 <enum name="WallpaperLayout">
   <int value="0" label="Center"/>
   <int value="1" label="Center Cropped"/>