third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp - Issue 2407013002: EME: Improve promise lifetime

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Unified Diff: third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp

Issue 2407013002: EME: Improve promise lifetime (Closed)

Patch Set: more checks Created 4 years, 2 months ago

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Index: third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp

diff --git a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp

index 6794efc865aace4962dd7f4e0536caef6bac8a94..872c7c8758d26865fa3b2c52e7a90e75bee6f296 100644

--- a/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp

+++ b/third_party/WebKit/Source/modules/encryptedmedia/MediaKeySystemAccess.cpp

@@ -46,6 +46,10 @@ class NewCdmResultPromise : public ContentDecryptionModuleResultPromise {

void completeWithContentDecryptionModule(

WebContentDecryptionModule* cdm) override {

// NOTE: Continued from step 2.8 of createMediaKeys().

+ if (!isValidToFulfillPromise())

+ return;

// 2.9. Let media keys be a new MediaKeys object.

MediaKeys* mediaKeys = MediaKeys::create(

getExecutionContext(), m_supportedSessionTypes, wrapUnique(cdm));