Isolate GrBufferAllocPools inside GrBatchTarget

include/gpu/GrContext.h

Index: include/gpu/GrContext.h
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 8bdc9f5b2d99fcf87964345723901559d51bd422..7d27c62a54371cbf1e6c8a3864dd4e37eb437ae5 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -25,7 +25,6 @@ class GrFragmentProcessor;
 class GrGpu;
 class GrGpuTraceMarker;
 class GrIndexBuffer;
-class GrIndexBufferAllocPool;
 class GrLayerCache;
 class GrOvalRenderer;
 class GrPath;
@@ -39,7 +38,6 @@ class GrTextBlobCache;
 class GrTextContext;
 class GrTextureParams;
 class GrVertexBuffer;
-class GrVertexBufferAllocPool;
 class GrStrokeInfo;
 class GrSoftwarePathRenderer;
 class SkGpuDevice;
@@ -591,8 +589,6 @@ private:
     GrPathRendererChain*            fPathRendererChain;
     GrSoftwarePathRenderer*         fSoftwarePathRenderer;
 
-    GrVertexBufferAllocPool*        fDrawBufferVBAllocPool;
-    GrIndexBufferAllocPool*         fDrawBufferIBAllocPool;
     GrDrawTarget*                   fDrawBuffer;
 
     // Set by OverbudgetCB() to request that GrContext flush before exiting a draw.
@@ -620,8 +616,6 @@ private:
     void initMockContext();
     void initCommon();
 
-    void setupDrawBuffer();
-
     class AutoCheckFlush;
     // Sets the paint and returns the target to draw into.
     GrDrawTarget* prepareToDraw(GrPipelineBuilder*,