Convert SkMatrix::I() assignments to SkMatrix::reset() calls



git-svn-id: http://skia.googlecode.com/svn/trunk@3441 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index 45ef699..7638067 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -467,7 +467,7 @@
     if (vm.invert(&ivm)) {
         drawState->preConcatSamplerMatrices(stageMask, ivm);
     }
-    drawState->setViewMatrix(GrMatrix::I());
+    drawState->viewMatrix()->reset();
 
     GrVertexLayout layout = 0;
     for (int s = 0; s < GrDrawState::kNumStages; ++s) {