Implement support for "keyids" Initialization Data format

media/base/key_systems_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "media/base/eme_constants.h"
 #include "media/base/key_system_info.h"
@@ skipping 336 matching lines @@
 
   EXPECT_EQ("ClearKey", GetKeySystemNameForUMA(kClearKey));
 
   // Prefixed Clear Key is not supported internally.
   EXPECT_FALSE(IsSupportedKeySystem(kPrefixedClearKey));
   EXPECT_FALSE(IsSupportedKeySystemWithMediaMimeType(
       kVideoWebM, no_codecs(), kPrefixedClearKey));
   EXPECT_EQ("Unknown", GetKeySystemNameForUMA(kPrefixedClearKey));
 }
 
+TEST_F(KeySystemsTest, ClearKeyWithInitDataType) {
+  EXPECT_TRUE(IsSupportedKeySystem(kClearKey));
+  EXPECT_TRUE(IsSupportedKeySystemWithInitDataType(kClearKey, "webm"));
+  EXPECT_TRUE(IsSupportedKeySystemWithInitDataType(kClearKey, "keyids"));
+
+  // All other InitDataTypes are not supported.
+  EXPECT_FALSE(IsSupportedKeySystemWithInitDataType(kClearKey, "unknown"));
+}
+
 // The key system is not registered and therefore is unrecognized.
 TEST_F(KeySystemsTest, Basic_UnrecognizedKeySystem) {
   static const char* const kUnrecognized = "x-org.example.unrecognized";
 
   EXPECT_FALSE(IsSupportedKeySystem(kUnrecognized));
   EXPECT_FALSE(IsSupportedKeySystemWithMediaMimeType(
       kVideoWebM, no_codecs(), kUnrecognized));
 
   EXPECT_EQ("Unknown", GetKeySystemNameForUMA(kUnrecognized));
 
@@ skipping 489 matching lines @@
   EXPECT_FALSE(IsSupportedKeySystem("com.chromecast.something.else"));
   EXPECT_FALSE(IsSupportedKeySystem("com.chromecast.other"));
 
   EXPECT_FALSE(IsSupportedKeySystem("x-"));
   EXPECT_TRUE(IsSupportedKeySystem("x-something"));
   EXPECT_FALSE(IsSupportedKeySystem("x-something.else"));
   EXPECT_FALSE(IsSupportedKeySystem("x-other"));
 }
 
 }  // namespace media