| Index: third_party/widevine/cdm/BUILD.gn
 | 
| diff --git a/third_party/widevine/cdm/BUILD.gn b/third_party/widevine/cdm/BUILD.gn
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| index ec798c3f733cd105c4091e05211c1c4a54883ba8..3f8eae8e2aaa9a2e55f46eeba908cdd019422e5a 100644
 | 
| --- a/third_party/widevine/cdm/BUILD.gn
 | 
| +++ b/third_party/widevine/cdm/BUILD.gn
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| @@ -38,7 +38,10 @@ if (is_android) {
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|      widevine_cdm_manifest_file = [ "win/$widevine_arch/manifest.json" ]
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|    } else if (is_mac) {
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|      widevine_cdm_version_h_file = "mac/$widevine_arch/widevine_cdm_version.h"
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| -    widevine_cdm_binary_files = [ "mac/$widevine_arch/libwidevinecdm.dylib" ]
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| +    widevine_cdm_binary_files = [
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| +      "mac/$widevine_arch/libwidevinecdm.dylib",
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| +      "mac/$widevine_arch/libwidevinecdm.dylib.sig",
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| +    ]
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|      widevine_cdm_manifest_file = [ "mac/$widevine_arch/manifest.json" ]
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|    } else {
 | 
|      # Other platforms, use the default one.
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| 
 |