Recycle stencil buffers across render targets.

Review URL: https://codereview.chromium.org/939093002
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index 8df59ff..0e1c069 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -229,8 +229,7 @@
 
     void onResolveRenderTarget(GrRenderTarget* target) SK_OVERRIDE { return; }
 
-    bool createStencilBufferForRenderTarget(GrRenderTarget*, bool budgeted,
-                                            int width, int height) SK_OVERRIDE {
+    bool createStencilBufferForRenderTarget(GrRenderTarget*, int width, int height) SK_OVERRIDE {
         return false;
     }