media: Simplify CdmHostFile(s)

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/string_number_conversions.h"
@@ skipping 276 matching lines @@
       // Since the web and license servers listen on different ports, we need to
       // disable web-security to send license requests to the license server.
       // TODO(shadi): Add port forwarding to the test web server configuration.
       command_line->AppendSwitch(switches::kDisableWebSecurity);
 
 #if BUILDFLAG(ENABLE_PEPPER_CDMS)
     if (IsExternalClearKey(key_system)) {
       RegisterPepperCdm(command_line, kClearKeyCdmBaseDirectory,
                         kClearKeyCdmAdapterFileName, kClearKeyCdmDisplayName,
                         kClearKeyCdmPepperMimeType);
-      // Need to tell CdmHostFile(s) to ignore missing CDM host files in tests.
-      command_line->AppendSwitch(switches::kIgnoreMissingCdmHostFile);
       command_line->AppendSwitchASCII(switches::kEnableFeatures,
                                       media::kExternalClearKeyForTesting.name);
     }
 #endif  // BUILDFLAG(ENABLE_PEPPER_CDMS)
   }
 };
 
 #if BUILDFLAG(ENABLE_PEPPER_CDMS)
 // Tests encrypted media playback using ExternalClearKey key system in
 // decrypt-and-decode mode.
@@ skipping 433 matching lines @@
 #endif  // BUILDFLAG(ENABLE_PEPPER_CDMS)
 
 #if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
 IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, VerifyCdmHostTest) {
   TestNonPlaybackCases(kExternalClearKeyVerifyCdmHostTestKeySystem,
                        kUnitTestSuccess);
 }
 #endif  // BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
 
 }  // namespace chrome