Move determiniation of strokerect rects internal

src/gpu/GrDrawContext.cpp

Index: src/gpu/GrDrawContext.cpp
diff --git a/src/gpu/GrDrawContext.cpp b/src/gpu/GrDrawContext.cpp
index 94fcee03134a375d00b199440c4aac10ac7b1518..1969bd03be29063f62139f16bb4e246aad63ba9e 100644
--- a/src/gpu/GrDrawContext.cpp
+++ b/src/gpu/GrDrawContext.cpp
@@ -273,13 +273,12 @@ void GrDrawContext::drawRect(GrRenderTarget* rt,
 
     if (needAA && canApplyAA) {
         SkASSERT(!viewMatrix.hasPerspective());
-        SkRect devBoundRect;
-        viewMatrix.mapRect(&devBoundRect, rect);
         SkAutoTUnref<GrDrawBatch> batch;
         if (width >= 0) {
-            batch.reset(GrRectBatchFactory::CreateAAStroke(color, viewMatrix, rect, devBoundRect,
-                                                           *strokeInfo));
+            batch.reset(GrRectBatchFactory::CreateAAStroke(color, viewMatrix, rect, *strokeInfo));
         } else {
+            SkRect devBoundRect;
+            viewMatrix.mapRect(&devBoundRect, rect);
             batch.reset(GrRectBatchFactory::CreateAAFill(color, viewMatrix, rect, devBoundRect));
         }
         fDrawTarget->drawBatch(pipelineBuilder, batch);