Make chromeos CUPS printing code namespaces consistent.

chromeos/printing/ppd_cache.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 "chromeos/printing/ppd_cache.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/json/json_parser.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/synchronization/lock.h"
 #include "base/task_runner_util.h"
 #include "base/task_scheduler/post_task.h"
 #include "base/threading/sequenced_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chromeos/printing/printing_constants.h"
 #include "crypto/sha2.h"
 #include "net/base/io_buffer.h"
 #include "net/filter/gzip_header.h"
 
 namespace chromeos {
-namespace printing {
 namespace {
 
 // Return the (full) path to the file we expect to find the given key at.
 base::FilePath FilePathForKey(const base::FilePath& base_dir,
                               const std::string& key) {
   std::string hashed_key = crypto::SHA256HashString(key);
   return base_dir.Append(base::HexEncode(hashed_key.data(), hashed_key.size()));
 }
 
 // If the cache doesn't already exist, create it.
@@ skipping 117 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(PpdCacheImpl);
 };
 
 }  // namespace
 
 // static
 scoped_refptr<PpdCache> PpdCache::Create(const base::FilePath& cache_base_dir) {
   return scoped_refptr<PpdCache>(new PpdCacheImpl(cache_base_dir));
 }
 
-}  // namespace printing
 }  // namespace chromeos