Update MediaKeys interface for EME

media/cdm/aes_decryptor_unittest.cc

Index: media/cdm/aes_decryptor_unittest.cc
diff --git a/media/cdm/aes_decryptor_unittest.cc b/media/cdm/aes_decryptor_unittest.cc
index a40867e7d1b5a6d212df41d4a12ac6686018f93e..9ee0a7463c97f7c046b55ca6107b8d0b03c8bcef 100644
--- a/media/cdm/aes_decryptor_unittest.cc
+++ b/media/cdm/aes_decryptor_unittest.cc
@@ -210,6 +210,8 @@ class AesDecryptorTest : public testing::Test {
   AesDecryptorTest()
       : decryptor_(base::Bind(&AesDecryptorTest::OnSessionMessage,
                               base::Unretained(this)),
+                   base::Bind(&AesDecryptorTest::OnSessionKeysChange,
+                              base::Unretained(this)),
                    base::Bind(&AesDecryptorTest::OnSessionClosed,
                               base::Unretained(this))),
         decrypt_cb_(base::Bind(&AesDecryptorTest::BufferDecrypted,
@@ -307,10 +309,17 @@ class AesDecryptorTest : public testing::Test {
     return web_session_id_;
   }
 
-  // Releases the session specified by |session_id|.
-  void ReleaseSession(const std::string& session_id) {
+  // Closes the session specified by |session_id|.
+  void CloseSession(const std::string& session_id) {
     EXPECT_CALL(*this, OnSessionClosed(session_id));
-    decryptor_.ReleaseSession(session_id, CreatePromise(RESOLVED));
+    decryptor_.CloseSession(session_id, CreatePromise(RESOLVED));
+  }
+
+  // Removes the session specified by |session_id|. This should simply do a
+  // CloseSession().
+  void RemoveSession(const std::string& session_id) {
+    EXPECT_CALL(*this, OnSessionClosed(session_id));
+    decryptor_.RemoveSession(session_id, CreatePromise(RESOLVED));
   }
 
   // Updates the session specified by |session_id| with |key|. |result|
@@ -320,6 +329,12 @@ class AesDecryptorTest : public testing::Test {
                               PromiseResult result) {
     DCHECK(!key.empty());
 
+    if (result == RESOLVED) {
+      EXPECT_CALL(*this, OnSessionKeysChange(session_id, true));
+    } else {
+      EXPECT_CALL(*this, OnSessionKeysChange(_, _)).Times(0);
+    }
+
     decryptor_.UpdateSession(session_id,
                              reinterpret_cast<const uint8*>(key.c_str()),
                              key.length(),
@@ -406,6 +421,9 @@ class AesDecryptorTest : public testing::Test {
                void(const std::string& web_session_id,
                     const std::vector<uint8>& message,
                     const GURL& destination_url));
+  MOCK_METHOD2(OnSessionKeysChange,
+               void(const std::string& web_session_id,
+                    bool has_additional_usable_key));
   MOCK_METHOD1(OnSessionClosed, void(const std::string& web_session_id));
 
   AesDecryptor decryptor_;
@@ -647,7 +665,19 @@ TEST_F(AesDecryptorTest, SubsampleCypherBytesOnly) {
   DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS);
 }
 
-TEST_F(AesDecryptorTest, ReleaseSession) {
+TEST_F(AesDecryptorTest, CloseSession) {
+  std::string session_id = CreateSession(key_id_);
+  scoped_refptr<DecoderBuffer> encrypted_buffer = CreateEncryptedBuffer(
+      encrypted_data_, key_id_, iv_, no_subsample_entries_);
+
+  UpdateSessionAndExpect(session_id, kKeyAsJWK, RESOLVED);
+  ASSERT_NO_FATAL_FAILURE(
+      DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS));
+
+  CloseSession(session_id);
+}
+
+TEST_F(AesDecryptorTest, RemoveSession) {
   std::string session_id = CreateSession(key_id_);
   scoped_refptr<DecoderBuffer> encrypted_buffer = CreateEncryptedBuffer(
       encrypted_data_, key_id_, iv_, no_subsample_entries_);
@@ -656,10 +686,10 @@ TEST_F(AesDecryptorTest, ReleaseSession) {
   ASSERT_NO_FATAL_FAILURE(
       DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS));
 
-  ReleaseSession(session_id);
+  RemoveSession(session_id);
 }
 
-TEST_F(AesDecryptorTest, NoKeyAfterReleaseSession) {
+TEST_F(AesDecryptorTest, NoKeyAfterCloseSession) {
   std::string session_id = CreateSession(key_id_);
   scoped_refptr<DecoderBuffer> encrypted_buffer = CreateEncryptedBuffer(
       encrypted_data_, key_id_, iv_, no_subsample_entries_);
@@ -668,7 +698,7 @@ TEST_F(AesDecryptorTest, NoKeyAfterReleaseSession) {
   ASSERT_NO_FATAL_FAILURE(
       DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS));
 
-  ReleaseSession(session_id);
+  CloseSession(session_id);
   ASSERT_NO_FATAL_FAILURE(
       DecryptAndExpect(encrypted_buffer, original_data_, NO_KEY));
 }
@@ -692,7 +722,7 @@ TEST_F(AesDecryptorTest, LatestKeyUsed) {
       DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS));
 }
 
-TEST_F(AesDecryptorTest, LatestKeyUsedAfterReleaseSession) {
+TEST_F(AesDecryptorTest, LatestKeyUsedAfterCloseSession) {
   std::string session_id1 = CreateSession(key_id_);
   scoped_refptr<DecoderBuffer> encrypted_buffer = CreateEncryptedBuffer(
       encrypted_data_, key_id_, iv_, no_subsample_entries_);
@@ -709,7 +739,7 @@ TEST_F(AesDecryptorTest, LatestKeyUsedAfterReleaseSession) {
       DecryptAndExpect(encrypted_buffer, original_data_, DATA_MISMATCH));
 
   // Close second session, should revert to original key.
-  ReleaseSession(session_id2);
+  CloseSession(session_id2);
   ASSERT_NO_FATAL_FAILURE(
       DecryptAndExpect(encrypted_buffer, original_data_, SUCCESS));
 }
@@ -841,7 +871,7 @@ TEST_F(AesDecryptorTest, JWKKey) {
       "  ]"
       "}";
   UpdateSessionAndExpect(session_id, kJwksWithEmptyKeyId, REJECTED);
-  ReleaseSession(session_id);
+  CloseSession(session_id);
 }
 
 TEST_F(AesDecryptorTest, GetKeyIds) {