Bug 1288194 Part 2: Fix incorrectly recorded argument in DrawTargetRecording::PushLayer. r=bas

MozReview-Commit-ID: HdvCaPGDqvk

--HG--
extra : rebase_source : c1e938b2d8542eb5b8d4250162ccff11578317b6

gfx/2d/DrawTargetRecording.cpp

@@ -585,10 +585,10 @@ DrawTargetRecording::PushLayer(bool aOpaque, Float aOpacity,
     EnsureSurfaceStored(mRecorder, aMask, "PushLayer");
   }
 
-  mRecorder->RecordEvent(RecordedPushLayer(this, aOpacity, aOpacity, aMask,
+  mRecorder->RecordEvent(RecordedPushLayer(this, aOpaque, aOpacity, aMask,
                                            aMaskTransform, aBounds,
                                            aCopyBackground));
-  mFinalDT->PushLayer(aOpacity, aOpacity, aMask, aMaskTransform, aBounds,
+  mFinalDT->PushLayer(aOpaque, aOpacity, aMask, aMaskTransform, aBounds,
                       aCopyBackground);
 }