[NaCl SDK] Add nacl_io and sdk_util namespaces.

native_client_sdk/src/libraries/nacl_io_test/kernel_proxy_test.cc

 /* Copyright (c) 2012 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 <errno.h>
 #include <fcntl.h>
 #include <pthread.h>
 #include <sys/stat.h>
 
 #include <map>
 #include <string>
 
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
 #include "mount_mock.h"
 #include "mount_node_mock.h"
 
 #include "nacl_io/kernel_intercept.h"
 #include "nacl_io/kernel_proxy.h"
 #include "nacl_io/mount.h"
 #include "nacl_io/mount_mem.h"
 #include "nacl_io/osmman.h"
 #include "nacl_io/path.h"
 #include "nacl_io/typed_mount_factory.h"
 
+using namespace nacl_io;
+using namespace sdk_util;
+
 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::Invoke;
 using ::testing::Return;
 using ::testing::SaveArg;
 using ::testing::SetArgPointee;
 using ::testing::StrEq;
 using ::testing::WithArgs;
 
 namespace {
@@ skipping 461 matching lines @@
 
   int fd = ki_open("/dummy", O_RDONLY);
   EXPECT_NE(0, fd);
 
   char buf[20];
   EXPECT_EQ(-1, ki_read(fd, &buf[0], 20));
   // The Mount should be able to return whatever error it wants and have it
   // propagate through.
   EXPECT_EQ(1234, errno);
 }