Resurrect SkDebugger

Can't let go <sniffle>.

R=robertphillips@google.com

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4793

Change-Id: Ida5936d17af2ef60c3f50e27b4f4987a79165fa5
Reviewed-on: https://skia-review.googlesource.com/4793
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/debugger/QT/SkGLWidget.cpp b/debugger/QT/SkGLWidget.cpp
index 5335da4..f95af84 100644
--- a/debugger/QT/SkGLWidget.cpp
+++ b/debugger/QT/SkGLWidget.cpp
@@ -59,7 +59,7 @@
     GrBackendRenderTargetDesc desc = this->getDesc(this->width(), this->height());
     desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
 
-    fGpuSurface = SkSurface::MakeFromBackendRenderTarget(fCurContext, desc, nullptr);
+    fGpuSurface = SkSurface::MakeFromBackendRenderTarget(fCurContext.get(), desc, nullptr);
     fCanvas = fGpuSurface->getCanvas();
 }