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

util/mach/exception_behaviors_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/mach/exception_behaviors.h"
 
 #include "base/basictypes.h"
 #include "base/strings/stringprintf.h"
 #include "gtest/gtest.h"
 #include "util/mach/mach_extensions.h"
 
+namespace crashpad {
+namespace test {
 namespace {
 
-using namespace crashpad;
-
 TEST(ExceptionBehaviors, ExceptionBehaviors) {
   struct TestData {
     exception_behavior_t behavior;
     bool state;
     bool identity;
     bool mach_exception_codes;
     exception_behavior_t basic_behavior;
   };
   const TestData kTestData[] = {
       {EXCEPTION_DEFAULT, false, true, false, EXCEPTION_DEFAULT},
@@ skipping 25 matching lines @@
     EXPECT_EQ(test_data.identity,
               ExceptionBehaviorHasIdentity(test_data.behavior));
     EXPECT_EQ(test_data.mach_exception_codes,
               ExceptionBehaviorHasMachExceptionCodes(test_data.behavior));
     EXPECT_EQ(test_data.basic_behavior,
               ExceptionBehaviorBasic(test_data.behavior));
   }
 }
 
 }  // namespace
+}  // namespace test
+}  // namespace crashpad