Make GrGpu pixel ops functions take SkIRect instead of LTRB params.

Change-Id: Ic4a8a32a434485b84284decbcc5a8f898197169a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408359
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrWritePixelsRenderTask.cpp b/src/gpu/GrWritePixelsRenderTask.cpp
index e8caeb2..1b2c37e 100644
--- a/src/gpu/GrWritePixelsRenderTask.cpp
+++ b/src/gpu/GrWritePixelsRenderTask.cpp
@@ -61,10 +61,7 @@
     }
     GrSurface* dstSurface = dstProxy->peekSurface();
     return flushState->gpu()->writePixels(dstSurface,
-                                          fRect.fLeft,
-                                          fRect.fTop,
-                                          fRect.width(),
-                                          fRect.height(),
+                                          fRect,
                                           fDstColorType,
                                           fSrcColorType,
                                           fLevels.get(),