Revert "Change call-sites now that SkCanvas is not ref-counted"

blimp/test/support/compositor/picture_cache_test_support.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "blimp/test/support/compositor/picture_cache_test_support.h"
 
 #include "base/memory/ptr_util.h"
 #include "blimp/common/blob_cache/blob_cache.h"
 #include "blimp/common/blob_cache/id_util.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/skia_util.h"
 
 namespace blimp {
 
 sk_sp<const SkPicture> CreateSkPicture(SkColor color) {
   SkPictureRecorder recorder;
-  SkCanvas* canvas = recorder.beginRecording(SkRect::MakeWH(1, 1));
+  sk_sp<SkCanvas> canvas =
+      sk_ref_sp(recorder.beginRecording(SkRect::MakeWH(1, 1)));
   canvas->drawColor(color);
   return recorder.finishRecordingAsPicture();
 }
 
 sk_sp<SkData> SerializePicture(sk_sp<const SkPicture> picture) {
   sk_sp<SkData> data = picture->serialize();
   DCHECK_GT(data->size(), 0u);
   return data;
 }
 
@@ skipping 14 matching lines @@
   sk_sp<const SkPicture> deserialized_picture =
       DeserializePicture(picture_data.data);
   return GetBlobId(picture) == GetBlobId(deserialized_picture);
 }
 
 cc::PictureData CreatePictureData(sk_sp<const SkPicture> picture) {
   return cc::PictureData(picture->uniqueID(), SerializePicture(picture));
 }
 
 }  // namespace blimp