drive: Change DriveServiceInterface::GetChangeList's callback type to ChangeListCallback

chrome/browser/chromeos/drive/job_scheduler.cc

Index: chrome/browser/chromeos/drive/job_scheduler.cc
diff --git a/chrome/browser/chromeos/drive/job_scheduler.cc b/chrome/browser/chromeos/drive/job_scheduler.cc
index 615178e3fc578340d044aa2ce2c9bcd58022aafb..9ad788682264a4ff6f6a033a18ea9ac0b9a1bff4 100644
--- a/chrome/browser/chromeos/drive/job_scheduler.cc
+++ b/chrome/browser/chromeos/drive/job_scheduler.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
+#include "chrome/browser/drive/drive_api_util.h"
 #include "chrome/browser/drive/event_logger.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
@@ -334,7 +335,7 @@ void JobScheduler::GetChangeList(
       &DriveServiceInterface::GetChangeList,
       base::Unretained(drive_service_),
       start_changestamp,
-      base::Bind(&JobScheduler::OnGetResourceListJobDone,
+      base::Bind(&JobScheduler::OnGetChangeListJobDone,
                  weak_ptr_factory_.GetWeakPtr(),
                  new_job->job_info.job_id,
                  callback));
@@ -353,7 +354,7 @@ void JobScheduler::GetRemainingChangeList(
       &DriveServiceInterface::GetRemainingChangeList,
       base::Unretained(drive_service_),
       next_link,
-      base::Bind(&JobScheduler::OnGetResourceListJobDone,
+      base::Bind(&JobScheduler::OnGetChangeListJobDone,
                  weak_ptr_factory_.GetWeakPtr(),
                  new_job->job_info.job_id,
                  callback));
@@ -898,6 +899,22 @@ bool JobScheduler::OnJobDone(JobID job_id, google_apis::GDataErrorCode error) {
   return !should_retry;
 }
 
+void JobScheduler::OnGetChangeListJobDone(
+    JobID job_id,
+    const google_apis::GetResourceListCallback& callback,
+    google_apis::GDataErrorCode error,
+    scoped_ptr<google_apis::ChangeList> change_list) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(!callback.is_null());
+
+  if (OnJobDone(job_id, error)) {
+    callback.Run(error, change_list ?
+                 util::ConvertChangeListToResourceList(*change_list) :
+                 scoped_ptr<google_apis::ResourceList>());
+
+  }
+}
+
 void JobScheduler::OnGetResourceListJobDone(
     JobID job_id,
     const google_apis::GetResourceListCallback& callback,