Replace IS_CHROMEOS_ASH with IS_CHROMEOS in chrome [1/N].

This is part of Lacros sunset. Since Lacros is gone, the two macros
mean the same thing.

Bug: 354842935
Change-Id: Ifdbe93c8f20a0eff3157e6e293eba9aeb3374819
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6326575
Commit-Queue: Yuta Hijikata <[email protected]>
Reviewed-by: Georg Neis <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1428677}
diff --git a/chrome/browser/platform_util_unittest.cc b/chrome/browser/platform_util_unittest.cc
index ac3bc82..c74778f 100644
--- a/chrome/browser/platform_util_unittest.cc
+++ b/chrome/browser/platform_util_unittest.cc
@@ -13,11 +13,10 @@
 #include "base/memory/raw_ptr.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
-#include "build/chromeos_buildflags.h"
 #include "chrome/browser/platform_util_internal.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if BUILDFLAG(IS_CHROMEOS_ASH)
+#if BUILDFLAG(IS_CHROMEOS)
 #include "base/json/json_string_value_serializer.h"
 #include "base/values.h"
 #include "chrome/browser/apps/app_service/app_service_proxy.h"
@@ -46,7 +45,7 @@
 
 namespace {
 
-#if BUILDFLAG(IS_CHROMEOS_ASH)
+#if BUILDFLAG(IS_CHROMEOS)
 
 // ChromeContentBrowserClient subclass that sets up a custom file system backend
 // that allows the test to grant file access to the file manager extension ID
@@ -273,7 +272,7 @@
 };
 #endif  // BUILDFLAG(IS_POSIX)
 
-#if BUILDFLAG(IS_CHROMEOS_ASH)
+#if BUILDFLAG(IS_CHROMEOS)
 // ChromeOS doesn't follow symbolic links in sandboxed filesystems. So all the
 // symbolic link tests should return PATH_NOT_FOUND.
 
@@ -302,9 +301,9 @@
   EXPECT_EQ(OPEN_FAILED_NO_HANLDER_FOR_FILE_TYPE,
             CallOpenItem(unhandled_file, OPEN_FILE));
 }
-#endif  // BUILDFLAG(IS_CHROMEOS_ASH)
+#endif  // BUILDFLAG(IS_CHROMEOS)
 
-#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_CHROMEOS_ASH)
+#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_CHROMEOS)
 // On all other Posix platforms, the symbolic link tests should work as
 // expected.
 
@@ -323,6 +322,6 @@
   EXPECT_EQ(OPEN_FAILED_PATH_NOT_FOUND,
             CallOpenItem(symlink_to_nowhere_, OPEN_FOLDER));
 }
-#endif  // BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_CHROMEOS_ASH)
+#endif  // BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_CHROMEOS)
 
 }  // namespace platform_util