Add support for setting properties to requests uploading contents.

chrome/browser/drive/drive_service_interface.h

Index: chrome/browser/drive/drive_service_interface.h
diff --git a/chrome/browser/drive/drive_service_interface.h b/chrome/browser/drive/drive_service_interface.h
index 1f789a8d0fa3d31f8c8e27c76a46d56136031a79..0d56401e7b1f6a8f66c8fbd09584e0371aabc1f8 100644
--- a/chrome/browser/drive/drive_service_interface.h
+++ b/chrome/browser/drive/drive_service_interface.h
@@ -51,6 +51,9 @@ class DriveServiceInterface {
     // last_viewed_by_me_date of the directory.
     // Pass the null Time if you are not interested in setting this property.
     base::Time last_viewed_by_me_date;
+
+    // List of properties for a new directory.
+    google_apis::drive::Properties properties;
   };
 
   // Optional parameters for InitiateUploadNewFile() and
@@ -66,6 +69,9 @@ class DriveServiceInterface {
     // last_viewed_by_me_date of the file.
     // Pass the null Time if you are not interested in setting this property.
     base::Time last_viewed_by_me_date;
+
+    // List of properties for a new file.
+    google_apis::drive::Properties properties;
   };
 
   // Optional parameters for InitiateUploadExistingFile() and
@@ -94,6 +100,10 @@ class DriveServiceInterface {
     // New last_viewed_by_me_date of the file.
     // Pass the null Time if you are not interested in setting this property.
     base::Time last_viewed_by_me_date;
+
+    // List of new properties for an existing file (it will be merged with
+    // existing properties).
+    google_apis::drive::Properties properties;
   };
 
   virtual ~DriveServiceInterface() {}