gdata: Fix a bug in GDataLevelDB where errors are not handled right

chrome/browser/chromeos/gdata/gdata_db.h

Index: chrome/browser/chromeos/gdata/gdata_db.h
diff --git a/chrome/browser/chromeos/gdata/gdata_db.h b/chrome/browser/chromeos/gdata/gdata_db.h
index 67d1e58115fae00a0f9fa8d881dee72949560e80..a5dd1d93b7a27b42d7c0f79e628cb7c681f1e6c7 100644
--- a/chrome/browser/chromeos/gdata/gdata_db.h
+++ b/chrome/browser/chromeos/gdata/gdata_db.h
@@ -47,6 +47,11 @@ class GDataDB {
   // Will not return NULL.
   virtual scoped_ptr<GDataDBIter> CreateIterator(const FilePath& path) = 0;
 
+  // Puts |raw_value| keyed with |resource_id| to the database.
+  // Used for testing (ex. injecting incompatible proto).
+  virtual Status PutRawForTesting(const std::string& resource_id,
+                                  const std::string& raw_value) = 0;
+
  protected:
   GDataDB() {}
 };