Purge references of "Mojo Application" from comments & var names.

components/leveldb/env_mojo.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 "components/leveldb/env_mojo.h"
 
 #include <errno.h>
 
 #include <memory>
 
@@ skipping 341 matching lines @@
   std::string fname = my_lock ? my_lock->name() : "(invalid)";
   TRACE_EVENT1("leveldb", "MojoEnv::UnlockFile", "fname", fname);
 
   filesystem::mojom::FileError err = thread_->UnlockFile(my_lock->TakeLock());
   delete my_lock;
   return FilesystemErrorToStatus(err, fname, leveldb_env::kUnlockFile);
 }
 
 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 mojo apptest, we
-  // probably won't use it since the mojo filesystem actually handles temporary
-  // filesystems just fine.
+  // leveldb. And when we go and port that test stuff to a shell::ServiceTest,
+  // we probably won't use it since the mojo filesystem actually handles
+  // temporary filesystems just fine.
   NOTREACHED();
   return Status::OK();
 }
 
 Status MojoEnv::NewLogger(const std::string& fname, Logger** result) {
   TRACE_EVENT1("leveldb", "MojoEnv::NewLogger", "fname", fname);
   base::File f(thread_->OpenFileHandle(
       dir_, mojo::String::From(fname),
       filesystem::mojom::kCreateAlways | filesystem::mojom::kFlagWrite));
   if (!f.IsValid()) {
     *result = NULL;
     return MakeIOError(fname, "Unable to create log file",
                        leveldb_env::kNewLogger, f.error_details());
   } else {
     *result = new leveldb::ChromiumLogger(std::move(f));
     return Status::OK();
   }
 }
 
 }  // namespace leveldb