Revert of Sketch splitting SkPicture into an interface and SkBigPicture. (patchset #22 id:420001 of https://codereview.chromium.org/1112523006/)

Reason for revert:
speculative revert to fix failures in DEPS roll

Original issue's description:
> Sketch splitting SkPicture into an interface and SkBigPicture.
>
> Adds small pictures for drawRect(), drawTextBlob(), and drawPath().
> These cover about 89% of draw calls from Blink SKPs,
> and about 25% of draw calls from our GMs.
>
> SkPicture handles:
>   - serialization and deserialization
>   - unique IDs
>
> Everything else is left to the subclasses:
>   - playback(), cullRect()
>   - hasBitmap(), hasText(), suitableForGPU(), etc.
>   - LayerInfo / AccelData if applicable.
>
> The time to record a 1-op picture improves a good chunk
> (2 mallocs to 1), and the time to record a 0-op picture
> greatly improves (2 mallocs to none):
>
>     picture_overhead_draw:   450ns -> 350ns
>     picture_overhead_nodraw: 300ns -> 90ns
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/c92c129ff85b05a714bd1bf921c02d5e14651f8b

TBR=reed@google.com,robertphillips@google.com,mtklein@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1130333002

1 files changed, 25 insertions, 0 deletions

diff --git a/src/utils/SkPictureUtils.cpp b/src/utils/SkPictureUtils.cpp
new file mode 100644
index 0000000000..a8a251c927
--- /dev/null
+++ b/src/utils/SkPictureUtils.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkBBoxHierarchy.h"
+#include "SkCanvas.h"
+#include "SkData.h"
+#include "SkPictureUtils.h"
+#include "SkRecord.h"
+#include "SkShader.h"
+
+size_t SkPictureUtils::ApproximateBytesUsed(const SkPicture* pict) {
+    size_t byteCount = sizeof(*pict);
+
+    byteCount += pict->fRecord->bytesUsed();
+    if (pict->fBBH.get()) {
+        byteCount += pict->fBBH->bytesUsed();
+    }
+    byteCount += pict->fApproxBytesUsedBySubPictures;
+
+    return byteCount;
+}