Bug 1383204 - Remove unused function parameter. r=mattwoodrow

MozReview-Commit-ID: JtJAHdHBqNd

layout/ipc/RenderFrameParent.cpp

@@ -160,7 +160,6 @@ already_AddRefed<Layer>
 RenderFrameParent::BuildLayer(nsDisplayListBuilder* aBuilder,
                               nsIFrame* aFrame,
                               LayerManager* aManager,
-                              const nsIntRect& aVisibleRect,
                               nsDisplayItem* aItem,
                               const ContainerLayerParameters& aContainerParameters)
 {
@@ -374,10 +373,7 @@ nsDisplayRemote::BuildLayer(nsDisplayListBuilder* aBuilder,
                             LayerManager* aManager,
                             const ContainerLayerParameters& aContainerParameters)
 {
-  int32_t appUnitsPerDevPixel = mFrame->PresContext()->AppUnitsPerDevPixel();
-  nsIntRect visibleRect = GetVisibleRect().ToNearestPixels(appUnitsPerDevPixel);
-  visibleRect += aContainerParameters.mOffset;
-  RefPtr<Layer> layer = mRemoteFrame->BuildLayer(aBuilder, mFrame, aManager, visibleRect, this, aContainerParameters);
+  RefPtr<Layer> layer = mRemoteFrame->BuildLayer(aBuilder, mFrame, aManager, this, aContainerParameters);
   if (layer && layer->AsContainerLayer()) {
     layer->AsContainerLayer()->SetEventRegionsOverride(mEventRegionsOverride);
   }

layout/ipc/RenderFrameParent.h

@@ -72,7 +72,6 @@ public:
   already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
                                      nsIFrame* aFrame,
                                      LayerManager* aManager,
-                                     const nsIntRect& aVisibleRect,
                                      nsDisplayItem* aItem,
                                      const ContainerLayerParameters& aContainerParameters);