Fix compilation with SK_ENABLE_INST_COUNT=1

src/gpu/GrDrawTarget.cpp

Index: src/gpu/GrDrawTarget.cpp
diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index 6a1c4544b9a19656bded514f296333dc421c700e..0b4d96af84dfd95e980c35177277df2989910d40 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -18,8 +18,6 @@
 
 #include "SkStrokeRec.h"
 
-SK_DEFINE_INST_COUNT(GrDrawTarget)
-
 ////////////////////////////////////////////////////////////////////////////////
 
 GrDrawTarget::DrawInfo& GrDrawTarget::DrawInfo::operator =(const DrawInfo& di) {
@@ -962,8 +960,6 @@ void GrDrawTarget::initCopySurfaceDstDesc(const GrSurface* src, GrTextureDesc* d
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SK_DEFINE_INST_COUNT(GrDrawTargetCaps)
-
 void GrDrawTargetCaps::reset() {
     f8BitPaletteSupport = false;
     fNPOTTextureTileSupport = false;