predictors: Pass manifests from Bork to store in ResourcePrefetchPredictor.

chrome/browser/predictors/resource_prefetch_predictor_tables.h

Index: chrome/browser/predictors/resource_prefetch_predictor_tables.h
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_tables.h b/chrome/browser/predictors/resource_prefetch_predictor_tables.h
index ff9c5ea220f9be08f63e4a8f7477c862d644b032..3636a4a39f138001c59fffdf6bd4c0c68d9b8de4 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_tables.h
+++ b/chrome/browser/predictors/resource_prefetch_predictor_tables.h
@@ -104,6 +104,9 @@ class ResourcePrefetchPredictorTables : public PredictorTableBase {
   // The maximum length of the string that can be stored in the DB.
   static constexpr size_t kMaxStringLength = 1024;
 
+  // The maximum size in bytes of the manifest that can be stored in the DB.
+  static constexpr size_t kMaxManifestByteSize = 16384;  // 16 KB

[Benoit L, 2017/03/20 16:51:53]

tiny nit: 16 * (1 << 10)?
Then you can drop the comment.

Or drop the comment altogether.

[alexilin, 2017/03/21 09:50:34]

Done.

+
  protected:
   // Protected for testing. Use PredictorDatabase::resource_prefetch_tables()
   // instead of this constructor.