Bug 1707559 - Stub out QueryOutputProtectionStatus. r=jbauman

Differential Revision: https://phabricator.services.mozilla.com/D113361

dom/media/gmp/ChromiumCDMChild.cpp

@@ -318,6 +318,14 @@ void ChromiumCDMChild::OnSessionClosed(const char* aSessionId,
                           nsCString(aSessionId, aSessionIdSize));
 }
 
+void ChromiumCDMChild::QueryOutputProtectionStatus() {
+  GMP_LOG_DEBUG("ChromiumCDMChild::QueryOutputProtectionStatus()");
+  if (mCDM) {
+    mCDM->OnQueryOutputProtectionStatus(cdm::kQuerySucceeded, uint32_t{},
+                                        uint32_t{});
+  }
+}
+
 void ChromiumCDMChild::OnInitialized(bool aSuccess) {
   MOZ_ASSERT(!mInitPromise.IsEmpty(),
              "mInitPromise should exist during init callback!");

dom/media/gmp/ChromiumCDMChild.h

@@ -55,7 +55,7 @@ class ChromiumCDMChild : public PChromiumCDMChild, public cdm::Host_10 {
                              const char* aChallenge,
                              uint32_t aChallengeSize) override {}
   void EnableOutputProtection(uint32_t aDesiredProtectionMask) override {}
-  void QueryOutputProtectionStatus() override {}
+  void QueryOutputProtectionStatus() override;
   void OnDeferredInitializationDone(cdm::StreamType aStreamType,
                                     cdm::Status aDecoderStatus) override {}
   void RequestStorageId(uint32_t aVersion) override;