Cast device revocation checking.

components/cast_certificate/cast_cert_validator_test_helpers.cc

Index: components/cast_certificate/cast_cert_validator_test_helpers.cc
diff --git a/components/cast_certificate/cast_cert_validator_test_helpers.cc b/components/cast_certificate/cast_cert_validator_test_helpers.cc
index 78c092b1e6ebcbdd58db013b0f52140a73537810..7cb569615862a4033a353878138459143b02e449 100644
--- a/components/cast_certificate/cast_cert_validator_test_helpers.cc
+++ b/components/cast_certificate/cast_cert_validator_test_helpers.cc
@@ -86,6 +86,22 @@ SignatureTestData ReadSignatureTestData(const base::StringPiece& file_name) {
   return result;
 }
 
+std::string ReadFromFile(const base::StringPiece& file_name) {
+  std::string file_data = ReadTestFileToString(file_name);
+
+  EXPECT_FALSE(file_data.empty());
+  return file_data;
+}
+
+// Creates a time in UTC at midnight.
+base::Time::Exploded CreateDate(int year, int month, int day) {
+  base::Time::Exploded time = {0};
+  time.year = year;
+  time.month = month;
+  time.day_of_month = day;
+  return time;
+}
+
 }  // namespace testing
 
 }  // namespace cast_certificate