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

util/mach/exc_server_variants_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/exc_server_variants.h"
 
 #include <mach/mach.h>
 #include <signal.h>
 #include <string.h>
 
 #include "base/basictypes.h"
 #include "base/strings/stringprintf.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "util/mach/exception_behaviors.h"
 #include "util/mach/mach_extensions.h"
 #include "util/test/mac/mach_errors.h"
 #include "util/test/mac/mach_multiprocess.h"
 
+namespace crashpad {
+namespace test {
 namespace {
 
-using namespace crashpad;
-using namespace crashpad::test;
-using namespace testing;
+using testing::DefaultValue;
+using testing::Eq;
+using testing::Pointee;
+using testing::Return;
 
 // Fake Mach ports. These aren’t used as ports in these tests, they’re just used
 // as cookies to make sure that the correct values get passed to the correct
 // places.
 const mach_port_t kClientRemotePort = 0x01010101;
 const mach_port_t kServerLocalPort = 0x02020202;
 const thread_t kExceptionThreadPort = 0x03030303;
 const task_t kExceptionTaskPort = 0x04040404;
 
 // Other fake exception values.
@@ skipping 1117 matching lines @@
                            test_data.behavior,
                            test_data.set_thread_state ? "true" : "false"));
 
     EXPECT_EQ(test_data.kr,
               ExcServerSuccessfulReturnValue(test_data.behavior,
                                              test_data.set_thread_state));
   }
 }
 
 }  // namespace
+}  // namespace test
+}  // namespace crashpad