Relax the EncryptMetadata check.

core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp

Index: core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp
diff --git a/core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp b/core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp
index 37b6d8fc33a1d34c31dc6394222e8bde75b154d1..c6c6217e2c730d719f72314cf79a8b62dcc628c7 100644
--- a/core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp
+++ b/core/fpdfapi/parser/cpdf_security_handler_embeddertest.cpp
@@ -21,6 +21,10 @@ TEST_F(CPDFSecurityHandlerEmbeddertest, NoPassword) {
   EXPECT_FALSE(OpenDocument("encrypted.pdf"));
 }
 
+TEST_F(CPDFSecurityHandlerEmbeddertest, BadPassword) {
+  EXPECT_FALSE(OpenDocument("encrypted.pdf", "tiger"));
+}
+
 TEST_F(CPDFSecurityHandlerEmbeddertest, UserPassword) {
   ASSERT_TRUE(OpenDocument("encrypted.pdf", "1234"));
   EXPECT_EQ(0xFFFFF2C0, FPDF_GetDocPermissions(document()));
@@ -30,3 +34,21 @@ TEST_F(CPDFSecurityHandlerEmbeddertest, OwnerPassword) {
   ASSERT_TRUE(OpenDocument("encrypted.pdf", "5678"));
   EXPECT_EQ(0xFFFFFFFC, FPDF_GetDocPermissions(document()));
 }
+
+TEST_F(CPDFSecurityHandlerEmbeddertest, NoPasswordVersion5) {
+  ASSERT_FALSE(OpenDocument("bug_644.pdf"));
+}
+
+TEST_F(CPDFSecurityHandlerEmbeddertest, BadPasswordVersion5) {
+  ASSERT_FALSE(OpenDocument("bug_644.pdf", "tiger"));
+}
+
+TEST_F(CPDFSecurityHandlerEmbeddertest, OwnerPasswordVersion5) {
+  ASSERT_TRUE(OpenDocument("bug_644.pdf", "a"));
+  EXPECT_EQ(0xFFFFFFFC, FPDF_GetDocPermissions(document()));
+}
+
+TEST_F(CPDFSecurityHandlerEmbeddertest, UserPasswordVersion5) {
+  ASSERT_TRUE(OpenDocument("bug_644.pdf", "b"));
+  EXPECT_EQ(0xFFFFFFFC, FPDF_GetDocPermissions(document()));
+}