Just an experiment

src/gpu/batches/GrAAFillRectBatch.cpp

Index: src/gpu/batches/GrAAFillRectBatch.cpp
diff --git a/src/gpu/batches/GrAAFillRectBatch.cpp b/src/gpu/batches/GrAAFillRectBatch.cpp
index 5b22422e1098b6ff2ebb31c8780c93f4d3f9822d..62bf2e694af0ef295291e645928e9ef69739fda1 100644
--- a/src/gpu/batches/GrAAFillRectBatch.cpp
+++ b/src/gpu/batches/GrAAFillRectBatch.cpp
@@ -324,8 +324,11 @@ GrDrawBatch* Create(GrColor color,
 GrDrawBatch* Create(GrColor color,
                     const SkMatrix& viewMatrix,
                     const SkMatrix& localMatrix,
-                    const SkRect& rect,
-                    const SkRect& devRect) {
+                    const SkRect& rect) {
+    //map rect
+    SkRect devRect;
+    viewMatrix.mapRect(&devRect, rect);
+
     AAFillRectBatchLocalMatrix* batch = AAFillRectBatchLocalMatrix::Create();
     append_to_batch(batch, color, viewMatrix, localMatrix, rect, devRect);
     batch->init();
@@ -335,8 +338,11 @@ GrDrawBatch* Create(GrColor color,
 void Append(GrBatch* origBatch,
             GrColor color,
             const SkMatrix& viewMatrix,
-            const SkRect& rect,
-            const SkRect& devRect) {
+            const SkRect& rect) {
+    // map rect
+    SkRect devRect;
+    viewMatrix.mapRect(&devRect, rect);
+
     AAFillRectBatchNoLocalMatrix* batch = origBatch->cast<AAFillRectBatchNoLocalMatrix>();
     append_to_batch(batch, color, viewMatrix, rect, devRect);
     batch->updateBoundsAfterAppend();
@@ -374,8 +380,7 @@ DRAW_BATCH_TEST_DEFINE(AAFillRectBatchLocalMatrix) {
     SkMatrix viewMatrix = GrTest::TestMatrixInvertible(random);
     SkMatrix localMatrix = GrTest::TestMatrix(random);
     SkRect rect = GrTest::TestRect(random);
-    SkRect devRect = GrTest::TestRect(random);
-    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect, devRect);
+    return GrAAFillRectBatch::Create(color, viewMatrix, localMatrix, rect);
 }
 
 #endif