Bug 1372118 - Part3. Implement CreateWebRenderCommands for text, transform and background color. r=jrmuizel, r=kats

MozReview-Commit-ID: JRoSjygSFHc

gfx/layers/wr/StackingContextHelper.h

@@ -42,6 +42,15 @@ public:
                         float* aOpacityPtr,
                         gfx::Matrix4x4* aTransformPtr,
                         const nsTArray<WrFilterOp>& aFilters = nsTArray<WrFilterOp>());
+  // The constructor for layers-free mode.
+  StackingContextHelper(const StackingContextHelper& aParentSC,
+                        wr::DisplayListBuilder& aBuilder,
+                        LayerRect aBoundForSC,
+                        LayerPoint aOrigin,
+                        uint64_t aAnimationsId,
+                        float* aOpacityPtr,
+                        gfx::Matrix4x4* aTransformPtr,
+                        const nsTArray<WrFilterOp>& aFilters = nsTArray<WrFilterOp>());
   // This version of the constructor should only be used at the root level
   // of the tree, so that we have a StackingContextHelper to pass down into
   // the RenderLayer traversal, but don't actually want it to push a stacking