[PPAPI] Added PP_VARTYPE_RESOURCE as a PP_VarType enum value.

ppapi/shared_impl/unittest_utils.cc

Index: ppapi/shared_impl/unittest_utils.cc
diff --git a/ppapi/shared_impl/unittest_utils.cc b/ppapi/shared_impl/unittest_utils.cc
index f5d064b4db669e0ad939a55ebfca05cb2ce99ab0..f613882dde54291c30c4b2ed2e8249a88961aecf 100644
--- a/ppapi/shared_impl/unittest_utils.cc
+++ b/ppapi/shared_impl/unittest_utils.cc
@@ -10,6 +10,7 @@
 #include "base/logging.h"
 #include "ppapi/shared_impl/array_var.h"
 #include "ppapi/shared_impl/dictionary_var.h"
+#include "ppapi/shared_impl/resource_var.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/shared_impl/var_tracker.h"
 
@@ -151,6 +152,39 @@ bool Equals(const PP_Var& expected,
       }
       return true;
     }
+    case PP_VARTYPE_RESOURCE: {
+      ResourceVar* expected_var = ResourceVar::FromPPVar(expected);
+      ResourceVar* actual_var = ResourceVar::FromPPVar(actual);
+      DCHECK(expected_var && actual_var);
+      if (expected_var->pp_resource() != actual_var->pp_resource()) {
+        LOG(ERROR) << "expected: " << expected_var->pp_resource() << " actual: "
+                   << actual_var->pp_resource();
+        return false;
+      }
+      IPC::Message actual_message(actual_var->creation_message());
+      const IPC::Message& expected_message = expected_var->creation_message();
+      if (expected_message.size() != actual_message.size()) {
+        LOG(ERROR) << "expected creation message size: "
+                   << expected_message.size() << " actual: "
+                   << actual_message.size();
+        return false;
+      }
+
+      // Set the upper 24 bits of actual creation_message flags to the same as
+      // expected. This is an unpredictable reference number that changes
+      // between serialization/deserialization, and we do not want it to cause
+      // the comparison to fail.
+      actual_message.SetHeaderValues(actual_message.routing_id(),
+                                     actual_message.type(),
+                                     (expected_message.flags() & 0xffffff00) |
+                                      (actual_message.flags() & 0xff));
+      if (memcmp(expected_message.data(), actual_message.data(),
+                 expected_message.size()) != 0) {
+        LOG(ERROR) << "expected creation message does not match actual.";
+        return false;
+      }
+      return true;
+    }
   }
   NOTREACHED();
   return false;