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

minidump/minidump_writable_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 "minidump/minidump_writable.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "gtest/gtest.h"
 #include "util/file/string_file_writer.h"
 
+namespace crashpad {
+namespace test {
 namespace {
 
-using namespace crashpad;
-
 class BaseTestMinidumpWritable : public crashpad::internal::MinidumpWritable {
  public:
   BaseTestMinidumpWritable()
       : MinidumpWritable(),
         children_(),
         expected_offset_(-1),
         alignment_(0),
         phase_(kPhaseEarly),
         has_alignment_(false),
         has_phase_(false),
@@ skipping 788 matching lines @@
     EXPECT_STREQ("p", ldd->string);
     ldd = LDDAtIndex(writer.string(), 48);
     EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
     EXPECT_EQ(12u, ldd->location_descriptor.Rva);
     EXPECT_STREQ("o", ldd->string);
     parent.Verify();
   }
 }
 
 }  // namespace
+}  // namespace test
+}  // namespace crashpad