Add SkColorSpace to GrDrawContext

src/gpu/GrYUVProvider.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrContext.h"
 #include "GrDrawContext.h"
 #include "GrYUVProvider.h"
@@ skipping 95 matching lines @@
         } else {
             yuvTextures[i].reset(ctx->textureProvider()->createApproxTexture(yuvDesc));
         }
         if (!yuvTextures[i] ||
             !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, yuvDesc.fConfig,
                                          planes[i], yuvInfo.fSizeInfo.fWidthBytes[i])) {
                 return nullptr;
             }
     }
 
+    // We never want to perform color-space conversion during the decode
     sk_sp<GrDrawContext> drawContext(ctx->newDrawContext(SkBackingFit::kExact,
                                                          desc.fWidth, desc.fHeight,
-                                                         desc.fConfig, desc.fSampleCnt));
+                                                         desc.fConfig, nullptr,
+                                                         desc.fSampleCnt));
     if (!drawContext) {
         return nullptr;
     }
 
     GrPaint paint;
     sk_sp<GrFragmentProcessor> yuvToRgbProcessor(
         GrYUVEffect::MakeYUVToRGB(yuvTextures[0], yuvTextures[1], yuvTextures[2],
                                   yuvInfo.fSizeInfo.fSizes, yuvInfo.fColorSpace, false));
     paint.addColorFragmentProcessor(std::move(yuvToRgbProcessor));
 
@@ skipping 12 matching lines @@
     }
 
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
     const SkRect r = SkRect::MakeIWH(yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fWidth,
             yuvInfo.fSizeInfo.fSizes[SkYUVSizeInfo::kY].fHeight);
 
     drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), r);
 
     return drawContext->asTexture();
 }