Bug 1825233 - Cut SpeechSynthesis over to RFPTarget. r=tjr

Differential Revision: https://phabricator.services.mozilla.com/D173944

dom/media/webspeech/synth/SpeechSynthesis.cpp

@@ -225,7 +225,8 @@ void SpeechSynthesis::GetVoices(
   nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
   nsCOMPtr<nsIDocShell> docShell = window ? window->GetDocShell() : nullptr;
 
-  if (nsContentUtils::ShouldResistFingerprinting(docShell)) {
+  if (nsContentUtils::ShouldResistFingerprinting(docShell,
+                                                 RFPTarget::SpeechSynthesis)) {
     return;
   }
 
@@ -298,7 +299,8 @@ SpeechSynthesis::Observe(nsISupports* aSubject, const char* aTopic,
     nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
     nsCOMPtr<nsIDocShell> docShell = window ? window->GetDocShell() : nullptr;
 
-    if (!nsContentUtils::ShouldResistFingerprinting(docShell)) {
+    if (!nsContentUtils::ShouldResistFingerprinting(
+            docShell, RFPTarget::SpeechSynthesis)) {
       DispatchTrustedEvent(u"voiceschanged"_ns);
       // If we have a pending item, and voices become available, speak it.
       if (!mCurrentTask && !mHoldQueue && HasVoices()) {

dom/media/webspeech/synth/SpeechSynthesisUtterance.cpp

@@ -35,7 +35,8 @@ SpeechSynthesisUtterance::SpeechSynthesisUtterance(
       mPitch(1),
       mPaused(false),
       mShouldResistFingerprinting(
-          aOwnerWindow->AsGlobal()->ShouldResistFingerprinting()) {}
+          aOwnerWindow->AsGlobal()->ShouldResistFingerprinting(
+              RFPTarget::SpeechSynthesis)) {}
 
 SpeechSynthesisUtterance::~SpeechSynthesisUtterance() = default;
 

toolkit/components/resistfingerprinting/RFPTargets.inc

@@ -8,6 +8,8 @@ ITEM_VALUE(TouchEvents, 0x0001)
 
 ITEM_VALUE(ScreenOrientation, 0x0005)
 
+// SpeechSynthesis part of the Web Speech API
+ITEM_VALUE(SpeechSynthesis, 0x0006)
 
 /*
  * Certain classes (Document, at time of writing) have a cached value for