Add option to draw wireframe batch bounds

dm/DMGpuSupport.h

Index: dm/DMGpuSupport.h
diff --git a/dm/DMGpuSupport.h b/dm/DMGpuSupport.h
index 9f20dd51da3a2d9959ac9a10ef6b7ee0e2d3a598..bccf112f72ae6bcc372afd11823dd2b2f305a6e6 100644
--- a/dm/DMGpuSupport.h
+++ b/dm/DMGpuSupport.h
@@ -13,6 +13,10 @@
 
 #include "SkSurface.h"
 
+// This should be safe to include even in no-gpu builds. Include by relative path so it
+// can be found in non-gpu builds.
+#include "../include/gpu/GrContextOptions.h"
+
 #if SK_SUPPORT_GPU
 
 // Ganesh is available.  Yippee!
@@ -55,11 +59,6 @@ public:
     void dumpGpuStats(SkString*) const {}
 };
 
-struct GrContextOptions {
-    bool fImmediateMode;
-    bool fClipBatchToBounds;
-};
-
 class GrContextFactory {
 public:
     GrContextFactory() {};