Add last_modified to CopyResource and MoveResource.

chrome/browser/drive/gdata_wapi_service.cc

Index: chrome/browser/drive/gdata_wapi_service.cc
diff --git a/chrome/browser/drive/gdata_wapi_service.cc b/chrome/browser/drive/gdata_wapi_service.cc
index 907a0b442ba9884e41b0a64cf79be7707a35c656..c1fb7be9c480bc84a516a6ad3a9ee484fc3501ef 100644
--- a/chrome/browser/drive/gdata_wapi_service.cc
+++ b/chrome/browser/drive/gdata_wapi_service.cc
@@ -406,6 +406,7 @@ CancelCallback GDataWapiService::CopyResource(
     const std::string& resource_id,
     const std::string& parent_resource_id,
     const std::string& new_title,
+    const base::Time& last_modified,
     const GetResourceEntryCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
@@ -437,6 +438,7 @@ CancelCallback GDataWapiService::MoveResource(
     const std::string& resource_id,
     const std::string& parent_resource_id,
     const std::string& new_title,
+    const base::Time& last_modified,
     const google_apis::GetResourceEntryCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());