Recast draw_filter_into_device as drawDevice

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 23f5798c1af758bcc4323f5e9abba3c83454ae75..6df0af6c7a5dc43a8ac126c90c3d9e1973fe72b5 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1451,16 +1451,20 @@ sk_sp<SkSpecialImage> SkGpuDevice::snapSpecial() {
         // When the device doesn't have a texture, we create a temporary texture.
         // TODO: we should actually only copy the portion of the source needed to apply the image
         // filter
-        texture.reset(fContext->textureProvider()->createTexture(this->accessDrawContext()->desc(),
-                                                                 SkBudgeted::kYes));
-        if (!texture) {
-            return nullptr;
-        }
+        const GrSurfaceDesc& desc = this->accessDrawContext()->desc();
 
-        if (!fContext->copySurface(this->accessDrawContext()->accessRenderTarget(),
-                                   texture.get())) {
-            return nullptr;
-        }
+        sk_sp<GrDrawContext> dc(fContext->newDrawContext(SkBackingFit::kApprox,
+                                                         desc.fWidth, desc.fHeight,
+                                                         desc.fConfig,
+                                                         desc.fSampleCnt,
+                                                         kDefault_GrSurfaceOrigin,
+                                                         &this->surfaceProps()));
+
+        dc->copySurface(this->accessDrawContext()->accessRenderTarget(),
+                        SkIRect::MakeWH(desc.fWidth, desc.fHeight),
+                        SkIPoint::Make(0, 0));
+
+        texture = dc->asTexture();
     }
 
     const SkImageInfo ii = this->imageInfo();