Rename shell namespace to service_manager

components/leveldb/env_mojo.cc

Index: components/leveldb/env_mojo.cc
diff --git a/components/leveldb/env_mojo.cc b/components/leveldb/env_mojo.cc
index 9f183d94100d636036650c123d67ad76623bc295..b226ce4df9952fee668609fdcabade8d4d544ac5 100644
--- a/components/leveldb/env_mojo.cc
+++ b/components/leveldb/env_mojo.cc
@@ -359,7 +359,8 @@ Status MojoEnv::UnlockFile(FileLock* lock) {
 
 Status MojoEnv::GetTestDirectory(std::string* path) {
   // TODO(erg): This method is actually only used from the test harness in
-  // leveldb. And when we go and port that test stuff to a shell::ServiceTest,
+  // leveldb. And when we go and port that test stuff to a
+  // service_manager::ServiceTest,
   // we probably won't use it since the mojo filesystem actually handles
   // temporary filesystems just fine.
   NOTREACHED();