Rename shell namespace to service_manager

components/filesystem/file_system_impl.h

Index: components/filesystem/file_system_impl.h
diff --git a/components/filesystem/file_system_impl.h b/components/filesystem/file_system_impl.h
index 8e8abd268d2b55272554d4c81b54254b1b360664..573fd31b4e8039072bb6116186a4d5a500507fb2 100644
--- a/components/filesystem/file_system_impl.h
+++ b/components/filesystem/file_system_impl.h
@@ -15,7 +15,7 @@ namespace base {
 class FilePath;
 }
 
-namespace shell {
+namespace service_manager {
 class Identity;
 }
 
@@ -29,7 +29,7 @@ class FileSystemImpl : public mojom::FileSystem {
  public:
   // |persistent_dir| is the directory served to callers of
   // |OpenPersistentFileSystem().
-  FileSystemImpl(const shell::Identity& remote_identity,
+  FileSystemImpl(const service_manager::Identity& remote_identity,
                  base::FilePath persistent_dir,
                  scoped_refptr<LockTable> lock_table);
   ~FileSystemImpl() override;