Reduce dependence on GrSurface's origin field

Unfortunately, GrGPU and its ilk are still using the GrSurface's origin a lot. I will clean that up in a second CL.

Change-Id: Iba729440ce8ea8d24bb7f4e5de55ed576a0f176d
Reviewed-on: https://skia-review.googlesource.com/24700
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrRenderTargetProxy.cpp b/src/gpu/GrRenderTargetProxy.cpp
index eef5f3e..8380911 100644
--- a/src/gpu/GrRenderTargetProxy.cpp
+++ b/src/gpu/GrRenderTargetProxy.cpp
@@ -34,8 +34,8 @@
 }
 
 // Wrapped version
-GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf)
-    : INHERITED(std::move(surf), SkBackingFit::kExact)
+GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrSurface> surf, GrSurfaceOrigin origin)
+    : INHERITED(std::move(surf), origin, SkBackingFit::kExact)
     , fSampleCnt(fTarget->asRenderTarget()->numStencilSamples())
     , fRenderTargetFlags(fTarget->asRenderTarget()->renderTargetPriv().flags()) {
 }