EME: Close existing sessions on CDM failure

chrome/browser/media/encrypted_media_browsertest.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 <memory>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 63 matching lines @@
 // EME-specific test results and errors.
 const char kUnitTestSuccess[] = "UNIT_TEST_SUCCESS";
 const char kEmeNotSupportedError[] = "NOTSUPPORTEDERROR";
 const char kEmeGenerateRequestFailed[] = "EME_GENERATEREQUEST_FAILED";
 const char kEmeSessionNotFound[] = "EME_SESSION_NOT_FOUND";
 const char kEmeLoadFailed[] = "EME_LOAD_FAILED";
 const char kEmeUpdateFailed[] = "EME_UPDATE_FAILED";
 const char kEmeErrorEvent[] = "EME_ERROR_EVENT";
 const char kEmeMessageUnexpectedType[] = "EME_MESSAGE_UNEXPECTED_TYPE";
 const char kEmeRenewalMissingHeader[] = "EME_RENEWAL_MISSING_HEADER";
+const char kEmeSessionClosed[] = "SESSION_CLOSED";
 
 const char kDefaultEmePlayer[] = "eme_player.html";
 
 // The type of video src used to load media.
 enum SrcType {
   SRC,
   MSE
 };
 
 // Whether the video should be played once or twice.
@@ skipping 512 matching lines @@
                         kEmeNotSupportedError);
 }
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 
 #if BUILDFLAG(ENABLE_PEPPER_CDMS)
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, InitializeCDMFail) {
   TestNonPlaybackCases(kExternalClearKeyInitializeFailKeySystem,
                        kEmeNotSupportedError);
 }
 
-// When CDM crashes, we should still get a decode error. |kError| is reported
-// when the HTMLVideoElement error event fires, indicating an error happened
-// during playback.
+// When CDM crashes, all open sessions should be closed.
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, CDMCrashDuringDecode) {
   IgnorePluginCrash();
-  TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kError);
+  TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kEmeSessionClosed);
 }
 
 // Testing that the media browser test does fail on plugin crash.
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, CDMExpectedCrash) {
   // Plugin crash is not ignored by default, the test is expected to fail.
   EXPECT_NONFATAL_FAILURE(
-      TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kError),
+      TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kEmeSessionClosed),
       "Failing test due to plugin crash.");
 }
 
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, FileIOTest) {
   TestNonPlaybackCases(kExternalClearKeyFileIOTestKeySystem, kUnitTestSuccess);
 }
 
 // TODO(xhwang): Investigate how to fake capturing activities to test the
 // network link detection logic in OutputProtectionProxy.
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, OutputProtectionTest) {
   TestNonPlaybackCases(kExternalClearKeyOutputProtectionTestKeySystem,
                        kUnitTestSuccess);
 }
 
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, Renewal) {
   TestPlaybackCase(kExternalClearKeyRenewalKeySystem, kNoSessionToLoad, kEnded);
 }
 
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, LoadLoadableSession) {
   TestPlaybackCase(kExternalClearKeyKeySystem, kLoadableSession, kEnded);
 }
 
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, LoadUnknownSession) {
   TestPlaybackCase(kExternalClearKeyKeySystem, kUnknownSession,
                    kEmeSessionNotFound);
 }
 
 #endif  // BUILDFLAG(ENABLE_PEPPER_CDMS)