Explicitly register each key system.

content/renderer/media/crypto/key_systems_unittest.cc

Index: content/renderer/media/crypto/key_systems_unittest.cc
diff --git a/content/renderer/media/crypto/key_systems_unittest.cc b/content/renderer/media/crypto/key_systems_unittest.cc
index 5617d270e7773d8660da2dc1be839907631931a6..8d810a07a297cb8b6462422b37dee9b1c817e308 100644
--- a/content/renderer/media/crypto/key_systems_unittest.cc
+++ b/content/renderer/media/crypto/key_systems_unittest.cc
@@ -208,7 +208,10 @@ TEST_F(KeySystemsTest, ClearKey_Basic) {
 
   EXPECT_TRUE(CanUseAesDecryptor(kClearKey));
 #if defined(ENABLE_PEPPER_CDMS)
-  EXPECT_TRUE(GetPepperType(kClearKey).empty());  // Does not use Pepper.
+  std::string type;
+  EXPECT_DCHECK_DEATH(type = GetPepperType(kClearKey),
+                      "webkit-org.w3.clearkey is not Pepper-based");
+  EXPECT_TRUE(type.empty());
 #endif
 }
 
@@ -224,11 +227,14 @@ TEST_F(KeySystemsTest, ClearKey_Parent) {
   // The parent is not supported for most things.
   EXPECT_STREQ("Unknown",
       KeySystemNameForUMA(WebString::fromUTF8(kClearKeyParent)).c_str());
-  EXPECT_FALSE(CanUseAesDecryptor(kClearKeyParent));
+  bool result = false;
+  EXPECT_DCHECK_DEATH(result = CanUseAesDecryptor(kClearKeyParent),
+                      "webkit-org.w3 is not a known concrete system");
+  EXPECT_FALSE(result);
 #if defined(ENABLE_PEPPER_CDMS)
   std::string type;
   EXPECT_DCHECK_DEATH(type = GetPepperType(kClearKeyParent),
-                      "webkit-org.w3 is not a concrete system");
+                      "webkit-org.w3 is not a known concrete system");
   EXPECT_TRUE(type.empty());
 #endif
 }
@@ -393,10 +399,16 @@ TEST_F(KeySystemsTest, ExternalClearKey_Basic) {
       "Unknown",
       KeySystemNameForUMA(WebString::fromUTF8(kExternalClearKey)).c_str());
 
-  EXPECT_FALSE(CanUseAesDecryptor(kExternalClearKey));
 #if defined(ENABLE_PEPPER_CDMS)
+  EXPECT_FALSE(CanUseAesDecryptor(kExternalClearKey));
   EXPECT_STREQ("application/x-ppapi-clearkey-cdm",
                GetPepperType(kExternalClearKey).c_str());
+#else
+  bool result = false;
+  EXPECT_DCHECK_DEATH(
+      result = CanUseAesDecryptor(kExternalClearKey),
+      "org.chromium.externalclearkey is not a known concrete system");
+  EXPECT_FALSE(result);
 #endif
 }
 
@@ -413,11 +425,14 @@ TEST_F(KeySystemsTest, ExternalClearKey_Parent) {
   EXPECT_STREQ("Unknown",
                KeySystemNameForUMA(
                    WebString::fromUTF8(kExternalClearKeyParent)).c_str());
-  EXPECT_FALSE(CanUseAesDecryptor(kExternalClearKeyParent));
+  bool result = false;
+  EXPECT_DCHECK_DEATH(result = CanUseAesDecryptor(kExternalClearKeyParent),
+                      "org.chromium is not a known concrete system");
+  EXPECT_FALSE(result);
 #if defined(ENABLE_PEPPER_CDMS)
   std::string type;
   EXPECT_DCHECK_DEATH(type = GetPepperType(kExternalClearKeyParent),
-                      "org.chromium is not a concrete system");
+                      "org.chromium is not a known concrete system");
   EXPECT_TRUE(type.empty());
 #endif
 }
@@ -594,7 +609,15 @@ TEST_F(KeySystemsTest, Widevine_Basic) {
       kWidevineUmaName,
       KeySystemNameForUMA(WebString::fromUTF8(kWidevineAlpha)).c_str());
 
+#if defined(WIDEVINE_CDM_AVAILABLE)
   EXPECT_FALSE(CanUseAesDecryptor(kWidevineAlpha));
+#else
+  bool result = false;
+  EXPECT_DCHECK_DEATH(result = CanUseAesDecryptor(kWidevineAlpha),
+                      "com.widevine.alpha is not a known concrete system");
+  EXPECT_FALSE(result);
+#endif  // defined(WIDEVINE_CDM_AVAILABLE)
+
 #if defined(ENABLE_PEPPER_CDMS)
 #if defined(WIDEVINE_CDM_AVAILABLE)
   EXPECT_STREQ("application/x-ppapi-widevine-cdm",
@@ -602,7 +625,7 @@ TEST_F(KeySystemsTest, Widevine_Basic) {
 #else
   std::string type;
   EXPECT_DCHECK_DEATH(type = GetPepperType(kWidevineAlpha),
-                      "com.widevine.alpha is not a concrete system");
+                      "com.widevine.alpha is not a known concrete system");
   EXPECT_TRUE(type.empty());
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 #endif  // defined(ENABLE_PEPPER_CDMS)
@@ -618,11 +641,14 @@ TEST_F(KeySystemsTest, Widevine_Parent) {
   // The parent is not supported for most things.
   EXPECT_STREQ("Unknown",
       KeySystemNameForUMA(WebString::fromUTF8(kWidevine)).c_str());
-  EXPECT_FALSE(CanUseAesDecryptor(kWidevine));
+  bool result = false;
+  EXPECT_DCHECK_DEATH(result = CanUseAesDecryptor(kWidevine),
+                      "com.widevine is not a known concrete system");
+  EXPECT_FALSE(result);
 #if defined(ENABLE_PEPPER_CDMS)
   std::string type;
   EXPECT_DCHECK_DEATH(type = GetPepperType(kWidevine),
-                      "com.widevine is not a concrete system");
+                      "com.widevine is not a known concrete system");
   EXPECT_TRUE(type.empty());
 #endif
 }
@@ -803,7 +829,7 @@ TEST_F(KeySystemsTest, GetUUID_Widevine) {
 #else
   std::vector<uint8> uuid;
   EXPECT_DCHECK_DEATH(uuid = GetUUID(kWidevineAlpha),
-                      "com.widevine.alpha is not a concrete system");
+                      "com.widevine.alpha is not a known concrete system");
   EXPECT_TRUE(uuid.empty());
 #endif
 }
@@ -811,7 +837,7 @@ TEST_F(KeySystemsTest, GetUUID_Widevine) {
 TEST_F(KeySystemsTest, GetUUID_Unrecognized) {
   std::vector<uint8> uuid;
   EXPECT_DCHECK_DEATH(uuid = GetUUID(kWidevine),
-                      "com.widevine is not a concrete system");
+                      "com.widevine is not a known concrete system");
   EXPECT_TRUE(uuid.empty());
 
   EXPECT_TRUE(GetUUID(kClearKey).empty());