Mac: Infrastructure for serialization of OS fonts over IPC.

chrome/common/sandbox_mac_unittest_helper.mm

Index: chrome/common/sandbox_mac_unittest_helper.mm
diff --git a/chrome/common/sandbox_mac_unittest_helper.mm b/chrome/common/sandbox_mac_unittest_helper.mm
index 749bcc11a02300d4ebe04c6679db1332de5c0958..328e41182217697f7ce6dd8b8d5dadc6b4fae71e 100644
--- a/chrome/common/sandbox_mac_unittest_helper.mm
+++ b/chrome/common/sandbox_mac_unittest_helper.mm
@@ -24,11 +24,23 @@ namespace sandboxtest {
 // Support infrastructure for REGISTER_SANDBOX_TEST_CASE macro.
 namespace internal {
 
+typedef std::map<std::string,MacSandboxTestCase*> SandboxTestMap;
+
+// A function that returns a common map from string -> test case class.
 SandboxTestMap& GetSandboxTestMap() {
   static SandboxTestMap test_map;
   return test_map;
 }
 
+void AddSandboxTestCase(const char* test_name, MacSandboxTestCase* test_class) {
+  SandboxTestMap& test_map = GetSandboxTestMap();
+  if (test_map.find(test_name) != test_map.end()) {
+    LOG(ERROR) << "Trying to register duplicate test" << test_name;
+    NOTREACHED();
+  }
+  test_map[test_name] = test_class;
+}
+
 }  // namespace internal
 
 bool MacSandboxTest:: RunTestInAllSandboxTypes(const char* test_name,