Remove image usage type enum. Use GrTextureParams instead.

src/image/SkImage_Gpu.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapCache.h"
 #include "SkImage_Gpu.h"
 #include "GrCaps.h"
@@ skipping 91 matching lines @@
         return as_IB(fImage)->getROPixels(bitmap);
     }
 
 private:
     const SkImage*  fImage;
     GrTexture*      fUnstretched;
 
     typedef GrTextureMaker INHERITED;
 };
 
-GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, SkImageUsageType usage) const {
-    return Texture_GrTextureMaker(this, fTexture).refCachedTexture(ctx, usage);
+GrTexture* SkImage_Gpu::asTextureRef(GrContext* ctx, const GrTextureParams& params) const {
+    return Texture_GrTextureMaker(this, fTexture).refCachedTexture(ctx, params);
 }
 
 bool SkImage_Gpu::isOpaque() const {
     return GrPixelConfigIsOpaque(fTexture->config()) || fAlphaType == kOpaque_SkAlphaType;
 }
 
 static void apply_premul(const SkImageInfo& info, void* pixels, size_t rowBytes) {
     switch (info.colorType()) {
         case kRGBA_8888_SkColorType:
         case kBGRA_8888_SkColorType:
@@ skipping 199 matching lines @@
     if (!dst) {
         return nullptr;
     }
     
     const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
     const SkIPoint dstP = SkIPoint::Make(0, 0);
     ctx->copySurface(dst, src, srcR, dstP, GrContext::kFlushWrites_PixelOp);
     return dst;
 }