Backed out changeset 6d16f00b9858 (bug 1308076)

media/psshparser/PsshParser.cpp

@@ -107,11 +107,6 @@ const uint8_t kSystemID[] = {
   0xac, 0xe3, 0x3c, 0x1e, 0x52, 0xe2, 0xfb, 0x4b
 };
 
-const uint8_t kPrimetimeID[] = {
-  0xf2, 0x39, 0xe7, 0x69, 0xef, 0xa3, 0x48, 0x50,
-  0x9c, 0x16, 0xa9, 0x03, 0xc6, 0x93, 0x2e, 0xfb
-};
-
 bool
 ParseCENCInitData(const uint8_t* aInitData,
                   uint32_t aInitDataSize,
@@ -162,12 +157,6 @@ ParseCENCInitData(const uint8_t* aInitData,
       // Insufficient bytes to read SystemID.
       return false;
     }
-    if (!memcmp(kPrimetimeID, sid, sizeof(kSystemID))) {
-      // Allow legacy Primetime key system PSSH boxes, which
-      // don't conform to common encryption format.
-      return true;
-    }
-
     if (memcmp(kSystemID, sid, sizeof(kSystemID))) {
       // Ignore pssh boxes with wrong system ID.
       reader.Seek(std::max<size_t>(reader.Offset(), end));

media/psshparser/gtest/TestPsshParser.cpp

@@ -113,15 +113,6 @@ const uint8_t g2xGoogleWPTCencInitData[] = {
   0x00, 0x00, 0x00, 0x00                           // datasize
 };
 
-const uint8_t gPrimetimePSSH[] = {
-  0x00, 0x00, 0x00, 0x00,                          // size = 0
-  0x70, 0x73, 0x73, 0x68,                          // 'pssh'
-  0x01,                                            // version = 1
-  0x00, 0x00, 0x00,                                // flags
-  0xf2, 0x39, 0xe7, 0x69, 0xef, 0xa3, 0x48, 0x50,  // Primetime system Id
-  0x9c, 0x16, 0xa9, 0x03, 0xc6, 0x93, 0x2e, 0xfb
-};
-
 TEST(PsshParser, ParseCencInitData) {
   std::vector<std::vector<uint8_t>> keyIds;
   bool rv;
@@ -162,8 +153,4 @@ TEST(PsshParser, ParseCencInitData) {
   EXPECT_EQ(16u, keyIds[1].size());
   EXPECT_EQ(0, memcmp(&keyIds[0].front(), &g2xGoogleWPTCencInitData[32], 16));
   EXPECT_EQ(0, memcmp(&keyIds[1].front(), &g2xGoogleWPTCencInitData[84], 16));
-
-  rv = ParseCENCInitData(gPrimetimePSSH, MOZ_ARRAY_LENGTH(gPrimetimePSSH), keyIds);
-  EXPECT_TRUE(rv);
-  EXPECT_EQ(0u, keyIds.size());
 }