Creation of GrBatchAtlas and Distancefieldpathrenderer batch

BUG=skia:

Review URL: https://codereview.chromium.org/975303005
diff --git a/src/gpu/GrPipelineBuilder.h b/src/gpu/GrPipelineBuilder.h
index 8578572..ae9ca9b 100644
--- a/src/gpu/GrPipelineBuilder.h
+++ b/src/gpu/GrPipelineBuilder.h
@@ -8,7 +8,6 @@
 #ifndef GrPipelineBuilder_DEFINED
 #define GrPipelineBuilder_DEFINED
 
-#include "GrBatch.h"
 #include "GrBlend.h"
 #include "GrClip.h"
 #include "GrDrawTargetCaps.h"
@@ -24,6 +23,7 @@
 #include "effects/GrPorterDuffXferProcessor.h"
 #include "effects/GrSimpleTextureEffect.h"
 
+class GrBatch;
 class GrDrawTargetCaps;
 class GrPaint;
 class GrTexture;