Update the number of fetched files more frequently.

chrome/browser/chromeos/gdata/gdata_operations.cc

Index: chrome/browser/chromeos/gdata/gdata_operations.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_operations.cc b/chrome/browser/chromeos/gdata/gdata_operations.cc
index f19ce5b29549fa95085ad096ac604b2d4fa28b11..627e73fb1737bcee4a5ad44af1856f6da934ec1e 100644
--- a/chrome/browser/chromeos/gdata/gdata_operations.cc
+++ b/chrome/browser/chromeos/gdata/gdata_operations.cc
@@ -69,9 +69,9 @@ const char kUploadContentLength[] = "X-Upload-Content-Length: ";
 // Use smaller 'page' size while debugging to ensure we hit feed reload
 // almost always. Be careful not to use something too small on account that
 // have many items because server side 503 error might kick in.
-const int kMaxDocumentsPerFeed = 1000;
+const int kMaxDocumentsPerFeed = 500;
 #else
-const int kMaxDocumentsPerFeed = 1000;
+const int kMaxDocumentsPerFeed = 500;
 #endif
 
 const char kFeedField[] = "feed";