plumb SkInstCnt to all subclasses of GrRefCnt



git-svn-id: http://skia.googlecode.com/svn/trunk@4353 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLTexture.h b/src/gpu/gl/GrGLTexture.h
index e408e5d..8e8c8c5 100644
--- a/src/gpu/gl/GrGLTexture.h
+++ b/src/gpu/gl/GrGLTexture.h
@@ -16,8 +16,9 @@
  * A ref counted tex id that deletes the texture in its destructor.
  */
 class GrGLTexID : public GrRefCnt {
-
 public:
+    SK_DECLARE_INST_COUNT(GrGLTexID)
+
     GrGLTexID(const GrGLInterface* gl, GrGLuint texID, bool ownsID)
         : fGL(gl)
         , fTexID(texID)
@@ -37,6 +38,8 @@
     const GrGLInterface* fGL;
     GrGLuint             fTexID;
     bool                 fOwnsID;
+
+    typedef GrRefCnt INHERITED;
 };
 
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