new API for retrieving YUV data

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 9083860db84420fc0bac47c4edaaa2ce3185e189..9bf25d2f89dea8457297181fb53d28c6198af001 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -234,17 +234,18 @@ static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTexturePa
         planes[1] = (uint8_t*)planes[0] + yuvInfo.fSizeInMemory[0];
         planes[2] = (uint8_t*)planes[1] + yuvInfo.fSizeInMemory[1];
     } else {
+        SkISize optimalAllocationSizes[3];
         // Fetch yuv plane sizes for memory allocation. Here, width and height can be
         // rounded up to JPEG block size and be larger than the image's width and height.
-        if (!pixelRef->getYUV8Planes(yuvInfo.fSize, NULL, NULL, NULL)) {
+        if (!pixelRef->queryYUV8(yuvInfo.fSize, optimalAllocationSizes)) {
             return NULL;
         }
 
         // Allocate the memory for YUV
         size_t totalSize(0);
         for (int i = 0; i < 3; ++i) {
-            yuvInfo.fRowBytes[i] = yuvInfo.fSize[i].fWidth;
-            yuvInfo.fSizeInMemory[i] = yuvInfo.fRowBytes[i] * yuvInfo.fSize[i].fHeight;
+            yuvInfo.fRowBytes[i] = optimalAllocationSizes[i].width();
+            yuvInfo.fSizeInMemory[i] = yuvInfo.fRowBytes[i] * optimalAllocationSizes[i].height();
             totalSize += yuvInfo.fSizeInMemory[i];
         }
         cachedData.reset(SkResourceCache::NewCachedData(totalSize));
@@ -253,8 +254,7 @@ static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTexturePa
         planes[2] = (uint8_t*)planes[1] + yuvInfo.fSizeInMemory[1];
 
         // Get the YUV planes and update plane sizes to actual image size
-        if (!pixelRef->getYUV8Planes(yuvInfo.fSize, planes, yuvInfo.fRowBytes,
-                                     &yuvInfo.fColorSpace)) {
+        if (!pixelRef->getYUV8(optimalAllocationSizes, planes, &yuvInfo.fColorSpace)) {
             return NULL;
         }