Remove more per-file suppressions in tests.

Bug: 42271175
Change-Id: I97ac62a74a72e1985c8b604c421838a6e01e0bfd
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/120179
Reviewed-by: Thomas Sepez <tsepez@google.com>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/xfa/fxfa/parser/xfa_utils_unittest.cpp b/xfa/fxfa/parser/xfa_utils_unittest.cpp
index fff0144..48f448d 100644
--- a/xfa/fxfa/parser/xfa_utils_unittest.cpp
+++ b/xfa/fxfa/parser/xfa_utils_unittest.cpp
@@ -2,29 +2,28 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#if defined(UNSAFE_BUFFERS_BUILD)
-// TODO(crbug.com/pdfium/2154): resolve buffer safety issues.
-#pragma allow_unsafe_buffers
-#endif
-
 #include "xfa/fxfa/parser/xfa_utils.h"
 
 #include <iterator>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
-TEST(XfaUtilsImpTest, XFA_MapRotation) {
-  struct TestCase {
-    int input;
-    int expected_output;
-  } TestCases[] = {{-1000000, 80}, {-361, 359}, {-360, 0},  {-359, 1},
-                   {-91, 269},     {-90, 270},  {-89, 271}, {-1, 359},
-                   {0, 0},         {1, 1},      {89, 89},   {90, 90},
-                   {91, 91},       {359, 359},  {360, 0},   {361, 1},
-                   {100000, 280}};
+namespace {
 
-  for (size_t i = 0; i < std::size(TestCases); ++i) {
-    EXPECT_EQ(TestCases[i].expected_output,
-              XFA_MapRotation(TestCases[i].input));
+struct TestCase {
+  int input;
+  int expected_output;
+};
+
+}  // namespace
+
+TEST(XfaUtilsImpTest, XFA_MapRotation) {
+  static const TestCase kTestCases[] = {
+      {-1000000, 80}, {-361, 359},  {-360, 0}, {-359, 1},  {-91, 269},
+      {-90, 270},     {-89, 271},   {-1, 359}, {0, 0},     {1, 1},
+      {89, 89},       {90, 90},     {91, 91},  {359, 359}, {360, 0},
+      {361, 1},       {100000, 280}};
+  for (const TestCase& item : kTestCases) {
+    EXPECT_EQ(item.expected_output, XFA_MapRotation(item.input));
   }
 }