Consolidate GPU buffer implementations

src/gpu/vk/GrVkProgram.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrVkProgram_DEFINED
 #define GrVkProgram_DEFINED
@@ skipping 142 matching lines @@
     // However, they will only be freed by the descriptor pool. Thus by simply keeping the
     // descriptor pool alive through the draw, the descritor sets will also stay alive. Thus we do
     // not need a GrVkResource versions of VkDescriptorSet. We hold on to these in the program since
     // we update the descriptor sets and bind them at separate times;
     VkDescriptorSet       fDescriptorSets[2];
 
     // Meta data so we know which descriptor sets we are using and need to bind.
     int                   fStartDS;
     int                   fDSCount;
 
-    SkAutoTDelete<GrVkUniformBuffer>    fVertexUniformBuffer;
-    SkAutoTDelete<GrVkUniformBuffer>    fFragmentUniformBuffer;
+    SkAutoTUnref<GrVkUniformBuffer>    fVertexUniformBuffer;
+    SkAutoTUnref<GrVkUniformBuffer>    fFragmentUniformBuffer;
 
     // GrVkResources used for sampling textures
     SkTDArray<GrVkSampler*>                fSamplers;
     SkTDArray<const GrVkImageView*>        fTextureViews;
     SkTDArray<const GrVkImage::Resource*>  fTextures;
 
     // Tracks the current render target uniforms stored in the vertex buffer.
     RenderTargetState fRenderTargetState;
     BuiltinUniformHandles fBuiltinUniformHandles;
 
     // Processors in the program
     SkAutoTDelete<GrGLSLPrimitiveProcessor> fGeometryProcessor;
     SkAutoTDelete<GrGLSLXferProcessor> fXferProcessor;
     GrGLSLFragProcs fFragmentProcessors;
 
     GrVkProgramDataManager fProgramDataManager;
 
     DescriptorPoolManager  fSamplerPoolManager;
     DescriptorPoolManager  fUniformPoolManager;
 
 #ifdef SK_DEBUG
     int fNumSamplers;
 #endif
 
     friend class GrVkProgramBuilder;
 };
 
 #endif