Add desired width & height to drawContext (as opposed to using the width & height of the RT)

src/gpu/GrPathRenderingDrawContext.h

Index: src/gpu/GrPathRenderingDrawContext.h
diff --git a/src/gpu/GrPathRenderingDrawContext.h b/src/gpu/GrPathRenderingDrawContext.h
index 5d1893cf90e78f6d9672b8254414834986f62c3b..19996248597e09c1442643aaa3052314735e6578 100644
--- a/src/gpu/GrPathRenderingDrawContext.h
+++ b/src/gpu/GrPathRenderingDrawContext.h
@@ -26,10 +26,11 @@ public:
                       SkScalar x, SkScalar y,
                       SkDrawFilter*, const SkIRect& clipBounds) override;
 protected:
-    GrPathRenderingDrawContext(GrContext* ctx, GrDrawingManager* mgr, sk_sp<GrRenderTarget> rt,
+    GrPathRenderingDrawContext(GrContext* ctx, GrDrawingManager* mgr,
+                               int width, int height, sk_sp<GrRenderTarget> rt,
                                const SkSurfaceProps* surfaceProps, GrAuditTrail* at,
                                GrSingleOwner* so)
-        : INHERITED(ctx, mgr, std::move(rt), surfaceProps, at, so) {}
+        : INHERITED(ctx, mgr, width, height, std::move(rt), surfaceProps, at, so) {}
 
 private:
     SkAutoTDelete<GrStencilAndCoverTextContext> fStencilAndCoverTextContext;