Creation of GrBatchAtlas and Distancefieldpathrenderer batch

src/gpu/GrDrawTarget.h

Index: src/gpu/GrDrawTarget.h
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index 88207da5999a889928886998e615686613f38b38..b3300032e7e179dc44015262e567b19dd757b851 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -31,6 +31,7 @@
 class GrBatch;
 class GrClip;
 class GrDrawTargetCaps;
+class GrGeometryProcessor;
 class GrPath;
 class GrPathRange;
 class GrPipeline;
@@ -488,6 +489,8 @@ public:
                                   // so that should be okay
     };
 
+    typedef uint64_t BatchToken;
+
     virtual DrawToken getCurrentDrawToken() { return DrawToken(this, 0); }
 
     /**