Add initial Controller to DownloadService

components/download/internal/test/mock_client.cc

Index: components/download/internal/test/mock_client.cc
diff --git a/components/download/internal/entry.cc b/components/download/internal/test/mock_client.cc
similarity index 55%
copy from components/download/internal/entry.cc
copy to components/download/internal/test/mock_client.cc
index 56d819c39d8ddff020472169a73a617d611408d4..e520323bdf060c6f4cc8f9f8bfbd6a72085e0a4c 100644
--- a/components/download/internal/entry.cc
+++ b/components/download/internal/test/mock_client.cc
@@ -2,12 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/download/internal/entry.h"
+#include "components/download/internal/test/mock_client.h"
 
 namespace download {
+namespace test {
 
-Entry::Entry() = default;
-Entry::Entry(const Entry& other) = default;
-Entry::~Entry() = default;
+MockClient::MockClient() = default;
+MockClient::~MockClient() = default;
 
+}  // namespace test
 }  // namespace download