[OriginChip] Enable the origin chip chrome:flags on Linux.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index cb5d0ceb0c5819852f1a9932e8ee5a26ac0bb848..62fabe4d51366c7b26e7e6d9227be66530d88f2c 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1641,14 +1641,14 @@ const Experiment kExperiments[] = {
     "origin-chip",
     IDS_FLAGS_ORIGIN_CHIP_NAME,
     IDS_FLAGS_ORIGIN_CHIP_DESCRIPTION,
-    kOsCrOS | kOsWin,
+    kOsCrOS | kOsWin | kOsLinux,
     MULTI_VALUE_TYPE(kOriginChipChoices)
   },
   {
     "origin-chip-in-omnibox",
     IDS_FLAGS_ORIGIN_CHIP_V2_NAME,
     IDS_FLAGS_ORIGIN_CHIP_V2_DESCRIPTION,
-    kOsCrOS | kOsMac | kOsWin,
+    kOsCrOS | kOsMac | kOsWin | kOsLinux,
     MULTI_VALUE_TYPE(kOriginChipV2Choices)
   },
   {