Refactor GrBufferAllocPools to use resource cache

src/gpu/GrGpu.cpp

Index: src/gpu/GrGpu.cpp
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index d46d09d5c7b5544ff828fa552235575ceecef67a..728fb880622010fa9495932d467b7f6df7d3ff04 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -199,12 +199,20 @@ GrRenderTarget* GrGpu::wrapBackendRenderTarget(const GrBackendRenderTargetDesc&
 
 GrVertexBuffer* GrGpu::createVertexBuffer(size_t size, bool dynamic) {
     this->handleDirtyContext();
-    return this->onCreateVertexBuffer(size, dynamic);
+    GrVertexBuffer* vb = this->onCreateVertexBuffer(size, dynamic);
+    if (!this->caps()->reuseScratchBuffers()) {
+        vb->resourcePriv().removeScratchKey();
+    }
+    return vb;
 }
 
 GrIndexBuffer* GrGpu::createIndexBuffer(size_t size, bool dynamic) {
     this->handleDirtyContext();
-    return this->onCreateIndexBuffer(size, dynamic);
+    GrIndexBuffer* ib = this->onCreateIndexBuffer(size, dynamic);
+    if (!this->caps()->reuseScratchBuffers()) {
+        ib->resourcePriv().removeScratchKey();
+    }
+    return ib;
 }
 
 void GrGpu::clear(const SkIRect* rect,