Remove vertex/index buffer factilities from GrDrawTarget.

Review URL: https://codereview.chromium.org/1105263002
diff --git a/src/gpu/effects/GrDashingEffect.cpp b/src/gpu/effects/GrDashingEffect.cpp
index b6dbbd6..0a9be3c 100644
--- a/src/gpu/effects/GrDashingEffect.cpp
+++ b/src/gpu/effects/GrDashingEffect.cpp
@@ -19,6 +19,7 @@
 #include "GrInvariantOutput.h"
 #include "GrProcessor.h"
 #include "GrStrokeInfo.h"
+#include "GrVertexBuffer.h"
 #include "SkGr.h"
 #include "gl/GrGLGeometryProcessor.h"
 #include "gl/GrGLProcessor.h"