google_benchmark: Manually roll and fix build

Manually roll forward `google_benchmark` and rely on the shipped
export header file. Adjust the build rules to always imply a static
build though as that's how the library is used in v8.

Bug: chromium:1346538
Change-Id: Ia94ad976f533a1c1d8099f1bc931b491d6fb17dd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3782798Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81907}

DEPS

@@ -235,7 +235,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'third_party/google_benchmark/src': {
-    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + 'd4bc509bcd54266e80bef26d5829ea43ead2908e',
+    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + 'ef7f75fb182fc23d03b4a3ecd09cc325ac125dfd',
   },
   'third_party/googletest/src':
     Var('chromium_url') + '/external/github.com/google/googletest.git' + '@' + 'af29db7ec28d6df1c7f0f745186884091e602e07',

third_party/google_benchmark/BUILD.gn

@@ -7,22 +7,26 @@ import("../../gni/v8.gni")
 
 if (v8_enable_google_benchmark) {
   config("benchmark_config") {
-    include_dirs = [
-      "src/include",
-      "precompiled_headers",
+    include_dirs = [ "src/include" ]
+    defines = [
+      # We always build google_benchmark statically.
+      "BENCHMARK_STATIC_DEFINE=1",
     ]
   }
 
   # TODO(crbug.com/1344570): Remove once third_party/google_benchmark no longer
   # uses std::wstring_convert.
   config("benchmark_suppress_warnings") {
-    cflags = ["-Wno-deprecated-declarations"]
+    cflags = [ "-Wno-deprecated-declarations" ]
   }
 
   source_set("google_benchmark") {
     testonly = true
 
-    public = [ "src/include/benchmark/benchmark.h" ]
+    public = [
+      "src/include/benchmark/benchmark.h",
+      "src/include/benchmark/export.h",
+    ]
 
     sources = [
       "src/src/arraysize.h",
@@ -70,9 +74,7 @@ if (v8_enable_google_benchmark) {
 
     all_dependent_configs = [ ":benchmark_config" ]
 
-    configs += [
-      ":benchmark_suppress_warnings",
-    ]
+    configs += [ ":benchmark_suppress_warnings" ]
 
     defines = [
       # Tell google_benchmark to always use standard regular expressions.

third_party/google_benchmark/precompiled_headers/benchmark/export.h

-// Copyright 2022 The V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef THIRD_PARTY_GOOGLE_BENCHMARK_PRECOMPILED_HEADERS_BENCHMARK_EXPORT_H
-#define THIRD_PARTY_GOOGLE_BENCHMARK_PRECOMPILED_HEADERS_BENCHMARK_EXPORT_H
-
-// This is a precompiled header as export.h is usually generated by the
-// libraries build system.
-
-#ifndef BENCHMARK_EXPORT
-#define BENCHMARK_EXPORT
-#endif
-
-#ifndef BENCHMARK_NO_EXPORT
-#define BENCHMARK_NO_EXPORT
-#endif
-
-#ifndef BENCHMARK_DEPRECATED
-#define BENCHMARK_DEPRECATED __attribute__((__deprecated__))
-#endif
-
-#ifndef BENCHMARK_DEPRECATED_EXPORT
-#define BENCHMARK_DEPRECATED_EXPORT BENCHMARK_EXPORT BENCHMARK_DEPRECATED
-#endif
-
-#ifndef BENCHMARK_DEPRECATED_NO_EXPORT
-#define BENCHMARK_DEPRECATED_NO_EXPORT BENCHMARK_NO_EXPORT BENCHMARK_DEPRECATED
-#endif
-
-#endif  // THIRD_PARTY_GOOGLE_BENCHMARK_PRECOMPILED_HEADERS_BENCHMARK_EXPORT_H