components: Add out-of-line copy ctors for complex classes.

components/drive/service/drive_service_interface.cc

Index: components/drive/service/drive_service_interface.cc
diff --git a/components/drive/service/drive_service_interface.cc b/components/drive/service/drive_service_interface.cc
index bd828a67cc5d1e40536f0e253f62c2c17e88c3da..199a2cc2c2b9cc0360a17edf1bef0b19a5702348 100644
--- a/components/drive/service/drive_service_interface.cc
+++ b/components/drive/service/drive_service_interface.cc
@@ -10,18 +10,27 @@ AddNewDirectoryOptions::AddNewDirectoryOptions()
     : visibility(google_apis::drive::FILE_VISIBILITY_DEFAULT) {
 }
 
+AddNewDirectoryOptions::AddNewDirectoryOptions(
+    const AddNewDirectoryOptions& other) = default;
+
 AddNewDirectoryOptions::~AddNewDirectoryOptions() {
 }
 
 UploadNewFileOptions::UploadNewFileOptions() {
 }
 
+UploadNewFileOptions::UploadNewFileOptions(const UploadNewFileOptions& other) =
+    default;
+
 UploadNewFileOptions::~UploadNewFileOptions() {
 }
 
 UploadExistingFileOptions::UploadExistingFileOptions() {
 }
 
+UploadExistingFileOptions::UploadExistingFileOptions(
+    const UploadExistingFileOptions& other) = default;
+
 UploadExistingFileOptions::~UploadExistingFileOptions() {
 }