Check for xfer barriers in GrBatch, auto-issue barriers in GrGpu

src/gpu/effects/GrDashingEffect.cpp

Index: src/gpu/effects/GrDashingEffect.cpp
diff --git a/src/gpu/effects/GrDashingEffect.cpp b/src/gpu/effects/GrDashingEffect.cpp
index 71f4e8d19b67ff65c1159948d534a2109a8c817b..6a894f9e0e6ec8c8f681e0394433ea58528eebb8 100644
--- a/src/gpu/effects/GrDashingEffect.cpp
+++ b/src/gpu/effects/GrDashingEffect.cpp
@@ -617,8 +617,9 @@ private:
         combinedMatrix.mapRect(&fBounds);
     }
 
-    bool onCombineIfPossible(GrBatch* t) override {
-        if (!this->pipeline()->isEqual(*t->pipeline())) {
+    bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+        if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *t->pipeline(), t->bounds(),
+                                    caps)) {
             return false;
         }