Fix RenderPassDrawQuad serialization

content/common/cc_messages_unittest.cc

Index: content/common/cc_messages_unittest.cc
diff --git a/content/common/cc_messages_unittest.cc b/content/common/cc_messages_unittest.cc
index d442b2350fdbe3f36f9595a922e1c76aac462dae..e953c2c9a7c06b56235017494141e4086baaa370 100644
--- a/content/common/cc_messages_unittest.cc
+++ b/content/common/cc_messages_unittest.cc
@@ -127,6 +127,7 @@ class CCMessagesTest : public testing::Test {
   }
 
   void Compare(const RenderPassDrawQuad* a, const RenderPassDrawQuad* b) {
+    EXPECT_EQ(a->render_pass_id, b->render_pass_id);
     EXPECT_EQ(a->is_replica, b->is_replica);
     EXPECT_EQ(a->mask_resource_id, b->mask_resource_id);
     EXPECT_EQ(a->contents_changed_since_last_frame,