AU: DeltaPerformer performs the download size/hash check now.

delta_performer_unittest.cc

Index: delta_performer_unittest.cc
diff --git a/delta_performer_unittest.cc b/delta_performer_unittest.cc
index 12de8a9a24e1784d2e2e6e5ad20dad154165116c..cf3ff462ef78e79ec68452bc44e4ff961a1be631 100755
--- a/delta_performer_unittest.cc
+++ b/delta_performer_unittest.cc
@@ -247,8 +247,10 @@ TEST(DeltaPerformerTest, RunAsRootSmallImageTest) {
       .WillRepeatedly(Return(true));
   EXPECT_CALL(prefs, SetInt64(kPrefsUpdateStateNextDataOffset, _))
       .WillRepeatedly(Return(true));
-  EXPECT_CALL(prefs, SetString(kPrefsUpdateStateSignedSHA256Context, _))
+  EXPECT_CALL(prefs, SetString(kPrefsUpdateStateSHA256Context, _))
       .WillRepeatedly(Return(true));
+  EXPECT_CALL(prefs, SetString(kPrefsUpdateStateSignedSHA256Context, _))
+      .WillOnce(Return(true));
 
   // Update the A image in place.
   DeltaPerformer performer(&prefs);
@@ -274,7 +276,10 @@ TEST(DeltaPerformerTest, RunAsRootSmallImageTest) {
                        strlen(new_data_string)));
 
   EXPECT_TRUE(utils::FileExists(kUnittestPublicKeyPath));
-  EXPECT_TRUE(performer.VerifyPayload(kUnittestPublicKeyPath));
+  EXPECT_TRUE(performer.VerifyPayload(
+      kUnittestPublicKeyPath,
+      OmahaHashCalculator::OmahaHashOfData(delta),
+      delta.size()));
 }
 
 }  // namespace chromeos_update_engine