Don’t use using directives (“using namespace”) in tests

util/misc/uuid_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "util/misc/uuid.h"
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "gtest/gtest.h"
 
+namespace crashpad {
+namespace test {
 namespace {
 
-using namespace crashpad;
-
 TEST(UUID, UUID) {
   UUID uuid_zero;
   EXPECT_EQ(0u, uuid_zero.data_1);
   EXPECT_EQ(0u, uuid_zero.data_2);
   EXPECT_EQ(0u, uuid_zero.data_3);
   EXPECT_EQ(0u, uuid_zero.data_4[0]);
   EXPECT_EQ(0u, uuid_zero.data_4[1]);
   EXPECT_EQ(0u, uuid_zero.data_5[0]);
   EXPECT_EQ(0u, uuid_zero.data_5[1]);
   EXPECT_EQ(0u, uuid_zero.data_5[2]);
@@ skipping 108 matching lines @@
   EXPECT_EQ(0x45u, uuid.data_5[0]);
   EXPECT_EQ(0x45u, uuid.data_5[1]);
   EXPECT_EQ(0x45u, uuid.data_5[2]);
   EXPECT_EQ(0x45u, uuid.data_5[3]);
   EXPECT_EQ(0x45u, uuid.data_5[4]);
   EXPECT_EQ(0x45u, uuid.data_5[5]);
   EXPECT_EQ("45454545-4545-4545-4545-454545454545", uuid.ToString());
 }
 
 }  // namespace
+}  // namespace test
+}  // namespace crashpad