Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/, outside of chrome/browser/.

chrome/utility/importer/safari_importer_unittest.mm

Index: chrome/utility/importer/safari_importer_unittest.mm
diff --git a/chrome/utility/importer/safari_importer_unittest.mm b/chrome/utility/importer/safari_importer_unittest.mm
index e86043815be6df9c463e35f15d834cdf11ec8b8f..3230dfc9c0120636be9739843ef5bfd9c064f218 100644
--- a/chrome/utility/importer/safari_importer_unittest.mm
+++ b/chrome/utility/importer/safari_importer_unittest.mm
@@ -137,7 +137,7 @@ TEST_F(SafariImporterTest, BookmarkImport) {
   std::vector<ImportedBookmarkEntry> bookmarks;
   importer->ParseBookmarks(ASCIIToUTF16("Toolbar"), &bookmarks);
   size_t num_bookmarks = bookmarks.size();
-  ASSERT_EQ(ARRAYSIZE_UNSAFE(kImportedBookmarksData), num_bookmarks);
+  ASSERT_EQ(arraysize(kImportedBookmarksData), num_bookmarks);
 
   for (size_t i = 0; i < num_bookmarks; ++i) {
     ImportedBookmarkEntry& entry = bookmarks[i];
@@ -201,7 +201,7 @@ TEST_F(SafariImporterTest, BookmarkImportWithEmptyBookmarksMenu) {
   std::vector<ImportedBookmarkEntry> bookmarks;
   importer->ParseBookmarks(ASCIIToUTF16("Toolbar"), &bookmarks);
   size_t num_bookmarks = bookmarks.size();
-  ASSERT_EQ(ARRAYSIZE_UNSAFE(kImportedBookmarksData), num_bookmarks);
+  ASSERT_EQ(arraysize(kImportedBookmarksData), num_bookmarks);
 
   for (size_t i = 0; i < num_bookmarks; ++i) {
     ImportedBookmarkEntry& entry = bookmarks[i];