Revert of Change mojo_public_bindings_unittests to use chromium environment.

third_party/mojo/src/mojo/public/cpp/bindings/tests/map_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/public/cpp/bindings/array.h"
 #include "mojo/public/cpp/bindings/lib/array_serialization.h"
 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
 #include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
 #include "mojo/public/cpp/bindings/lib/validate_params.h"
 #include "mojo/public/cpp/bindings/map.h"
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/public/cpp/bindings/tests/container_test_util.h"
+#include "mojo/public/cpp/environment/environment.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 
 namespace {
 
 using mojo::internal::Array_Data;
 using mojo::internal::ArrayValidateParams;
 using mojo::internal::FixedBufferForTesting;
 using mojo::internal::Map_Data;
 using mojo::internal::String_Data;
 
 struct StringIntData {
   const char* string_data;
   int int_data;
 } kStringIntData[] = {
       {"one", 1},
       {"two", 2},
       {"three", 3},
       {"four", 4},
 };
 
 const size_t kStringIntDataSize = 4;
 
-using MapTest = testing::Test;
+class MapTest : public testing::Test {
+ public:
+  ~MapTest() override {}
+
+ private:
+  Environment env_;
+};
 
 // Tests that basic Map operations work.
 TEST_F(MapTest, InsertWorks) {
   Map<String, int> map;
   for (size_t i = 0; i < kStringIntDataSize; ++i)
     map.insert(kStringIntData[i].string_data, kStringIntData[i].int_data);
 
   for (size_t i = 0; i < kStringIntDataSize; ++i) {
     EXPECT_EQ(kStringIntData[i].int_data,
               map.at(kStringIntData[i].string_data));
@@ skipping 258 matching lines @@
     ASSERT_EQ(1u, deserialized_array.size());
     ASSERT_EQ(1u, deserialized_array[0].size());
     ASSERT_FALSE(deserialized_array[0].at("hello world")[0]);
     ASSERT_TRUE(deserialized_array[0].at("hello world")[1]);
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo