Make chromeos CUPS printing code namespaces consistent.

chromeos/printing/ppd_cache_unittest.cc

 // Copyright 2016 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 <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/hash.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/test/scoped_task_environment.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chromeos/printing/ppd_cache.h"
 #include "net/url_request/test_url_request_interceptor.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
-namespace printing {
 namespace {
 
 // This fixture just points the cache at a temporary directory for the life of
 // the test.
 class PpdCacheTest : public ::testing::Test {
  public:
   PpdCacheTest()
       : scoped_task_environment_(
             base::test::ScopedTaskEnvironment::MainThreadType::IO) {}
 
@@ skipping 72 matching lines @@
   EXPECT_LT(find_result_.age, base::TimeDelta::FromMinutes(5));
 
   cache->Find(kTestKey2, base::Bind(&PpdCacheTest::CaptureFindResult,
                                     base::Unretained(this)));
   scoped_task_environment_.RunUntilIdle();
   EXPECT_EQ(captured_find_results_, 3);
   EXPECT_FALSE(find_result_.success);
 }
 
 }  // namespace
-}  // namespace printing
 }  // namespace chromeos