Move shell service to toplevel shell namespace

components/leveldb/remote_iterator_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 <map>
 
 #include "base/macros.h"
 #include "components/leveldb/public/cpp/remote_iterator.h"
 #include "components/leveldb/public/interfaces/leveldb.mojom.h"
 #include "mojo/common/common_type_converters.h"
 #include "mojo/util/capture_util.h"
 #include "services/shell/public/cpp/shell_connection.h"
 #include "services/shell/public/cpp/shell_test.h"
 
 using mojo::Capture;
 
 namespace leveldb {
 namespace {
 
-class RemoteIteratorTest : public mojo::test::ShellTest {
+class RemoteIteratorTest : public shell::test::ShellTest {
  public:
   RemoteIteratorTest() : ShellTest("exe:leveldb_service_unittests") {}
   ~RemoteIteratorTest() override {}
 
  protected:
   // Overridden from mojo::test::ApplicationTestBase:
   void SetUp() override {
     ShellTest::SetUp();
     connector()->ConnectToInterface("mojo:leveldb", &leveldb_);
 
@@ skipping 106 matching lines @@
   EXPECT_TRUE(it.Valid());
   EXPECT_EQ("a", it.key());
   EXPECT_EQ("first", it.value());
 
   it.Prev();
   EXPECT_FALSE(it.Valid());
 }
 
 }  // namespace
 }  // namespace leveldb