Bug 1719855 - Remove HasReceivedRealConfirmedTarget and eTimedOutAndM…

…ainThreadResponded. r=botond

There was the only one call site of the function which was removed in bug
1804597.

Differential Revision: https://phabricator.services.mozilla.com/D176474

gfx/layers/apz/src/InputBlockState.cpp

@@ -54,13 +54,6 @@ bool InputBlockState::SetConfirmedTargetApzc(
   MOZ_ASSERT(aState == TargetConfirmationState::eConfirmed ||
              aState == TargetConfirmationState::eTimedOut);
 
-  if (mTargetConfirmed == TargetConfirmationState::eTimedOut &&
-      aState == TargetConfirmationState::eConfirmed) {
-    // The main thread finally responded. We had already timed out the
-    // confirmation, but we want to update the state internally so that we
-    // can record the time for telemetry purposes.
-    mTargetConfirmed = TargetConfirmationState::eTimedOutAndMainThreadResponded;
-  }
   // Sometimes, bugs in compositor hit testing can lead to APZ confirming
   // a different target than the main thread. If this happens for a drag
   // block created for a scrollbar drag, the consequences can be fairly
@@ -147,12 +140,6 @@ bool InputBlockState::IsTargetConfirmed() const {
   return mTargetConfirmed != TargetConfirmationState::eUnconfirmed;
 }
 
-bool InputBlockState::HasReceivedRealConfirmedTarget() const {
-  return mTargetConfirmed == TargetConfirmationState::eConfirmed ||
-         mTargetConfirmed ==
-             TargetConfirmationState::eTimedOutAndMainThreadResponded;
-}
-
 bool InputBlockState::ShouldDropEvents() const {
   return mRequiresTargetConfirmation &&
          (mTargetConfirmed != TargetConfirmationState::eConfirmed);

gfx/layers/apz/src/InputBlockState.h

@@ -48,7 +48,6 @@ class InputBlockState : public RefCounted<InputBlockState> {
   enum class TargetConfirmationState : uint8_t {
     eUnconfirmed,
     eTimedOut,
-    eTimedOutAndMainThreadResponded,
     eConfirmed
   };
 
@@ -73,7 +72,6 @@ class InputBlockState : public RefCounted<InputBlockState> {
   uint64_t GetBlockId() const;
 
   bool IsTargetConfirmed() const;
-  bool HasReceivedRealConfirmedTarget() const;
 
   virtual bool ShouldDropEvents() const;