Revert "Remove GrBackendRenderTargetDesc in favor of GrBackendRenderTarget."

This reverts commit e2d37c2a07f5473e5fc6fb65e9e23e14127580e9.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Remove GrBackendRenderTargetDesc in favor of GrBackendRenderTarget.
> 
> Also removes a reference to GrBackendTextureDesc in a comment and updates markdown docs.
> 
> Docs-Preview: https://skia.org/?cl=24861
> Bug: skia:
> Change-Id: Ic6490d5ef46953450e6dee69271397bb2b94d0d6
> Reviewed-on: https://skia-review.googlesource.com/24861
> Commit-Queue: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: I4b85b529727f0bf5aec21d87e725a8195666e2e5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/25182
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/image/SkSurface_Gpu.cpp b/src/image/SkSurface_Gpu.cpp
index 5b51942b38..143a6039f0 100644
--- a/src/image/SkSurface_Gpu.cpp
+++ b/src/image/SkSurface_Gpu.cpp
@@ -233,6 +233,20 @@ sk_sp<SkSurface> SkSurface::MakeFromBackendTexture(GrContext* context, const GrB
 }
 
 sk_sp<SkSurface> SkSurface::MakeFromBackendRenderTarget(GrContext* context,
+                                                        const GrBackendRenderTargetDesc& desc,
+                                                        sk_sp<SkColorSpace> colorSpace,
+                                                        const SkSurfaceProps* props) {
+    if (!context) {
+        return nullptr;
+    }
+
+    GrBackendRenderTarget backendRT(desc, context->contextPriv().getBackend());
+    return MakeFromBackendRenderTarget(context, backendRT, desc.fOrigin,
+                                       std::move(colorSpace), props);
+
+}
+
+sk_sp<SkSurface> SkSurface::MakeFromBackendRenderTarget(GrContext* context,
                                                         const GrBackendRenderTarget& backendRT,
                                                         GrSurfaceOrigin origin,
                                                         sk_sp<SkColorSpace> colorSpace,