[cr147] //components/legion renamed to private_api

Chromium changes:
https://chromium.googlesource.com/chromium/src/+/dbefe14f890716a7ca5a58a709cd774118b2660f

commit dbefe14f890716a7ca5a58a709cd774118b2660f
Author: Oleh Lamzin <lamzin@google.com>
Date:   Wed Feb 18 11:30:18 2026 -0800

    private_ai: Rename components/legion/ folder

    For some period of time we had to use "legion" name for our code, but
    now we can use "private_ai".

    BYPASS_LARGE_CHANGE_WARNING: folder renaming

    Bug: b:484265460
    Change-Id: I12f51d5d72618494372b5ac3e43c8323ea748cb9
    Bypass-Check-License: moving files
    Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7582260
    Reviewed-by: Saeid Eid <saeideid@google.com>
    Commit-Queue: Oleh Lamzin <lamzin@google.com>
    Reviewed-by: Nico Weber <thakis@chromium.org>
    Reviewed-by: Mike West <mkwst@chromium.org>
    Reviewed-by: Christian Dullweber <dullweber@chromium.org>
    Reviewed-by: Elly FJ <ellyjones@chromium.org>
    Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#1586583}

app/BUILD.gn

@@ -192,7 +192,7 @@ source_set("unit_tests") {
       "//chrome/app:command_ids",
       "//chrome/browser/ui/toasts",
       "//chrome/common:chrome_features",
-      "//components/legion",
+      "//components/private_ai",
       "//components/translate/core/common",
       "//extensions/common",
       "//ui/accessibility:ax_base",

app/DEPS

@@ -36,7 +36,7 @@ include_rules += [
   "+components/history_clusters/core/features.h",
   "+components/history_clusters/core/on_device_clustering_features.h",
   "+components/history_embeddings/core/history_embeddings_features.h",
-  "+components/legion/features.h",
+  "+components/private_ai/features.h",
   "+components/lens/lens_features.h",
   "+components/manta/features.h",
   "+components/metrics/metrics_features.h",

app/feature_defaults_unittest.cc

@@ -29,7 +29,6 @@
 #include "components/history_clusters/core/features.h"
 #include "components/history_clusters/core/on_device_clustering_features.h"
 #include "components/history_embeddings/core/history_embeddings_features.h"
-#include "components/legion/features.h"
 #include "components/lens/lens_features.h"
 #include "components/manta/features.h"
 #include "components/metrics/metrics_features.h"
@@ -44,6 +43,7 @@
 #include "components/permissions/features.h"
 #include "components/plus_addresses/core/common/features.h"
 #include "components/privacy_sandbox/privacy_sandbox_features.h"
+#include "components/private_ai/features.h"
 #include "components/safe_browsing/core/common/features.h"
 #include "components/search/ntp_features.h"
 #include "components/segmentation_platform/public/features.h"

chromium_src/components/private_ai/features.cc

@@ -5,7 +5,7 @@
 
 #include "base/feature_override.h"
 
-#include <components/legion/features.cc>
+#include <components/private_ai/features.cc>
 
 namespace private_ai {