Start using RenderTargetProxy (omnibus)

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 19c637735c118bad4d6144c1c0122f051f031843..3004beb006e609ebb14a6ce0487b6d6d73b78673 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -260,7 +260,7 @@ void SkGpuDevice::replaceRenderTargetContext(bool shouldRetainContent) {
         if (fRenderTargetContext->wasAbandoned()) {
             return;
         }
-        newRTC->copySurface(fRenderTargetContext->asTexture().get(),
+        newRTC->copySurface(fRenderTargetContext->asDeferredTexture().get(),
                             SkIRect::MakeWH(this->width(), this->height()),
                             SkIPoint::Make(0, 0));
     }