Fix build break after r7411 when GR_STATIC_RECT_VB is enabled.
Review URL: https://codereview.appspot.com/7220051

git-svn-id: http://skia.googlecode.com/svn/trunk@7415 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 20d47c2..fdeb15c 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -837,7 +837,7 @@
         m.postConcat(*srcMatrix);
     }
 
-    drawState->stage(GrPaint::kFirstColorStage)->preConcatCoordChange(m);
+    drawState->preConcatStageMatrices(kExplicitCoordMask, m);
 
     const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer();
     if (NULL == sqVB) {