remove unused untested parts of text blob

SkTextBlob has a number of untested entry points
to serialize and deserialize. Privitize ones only used
by Skia, and remove ones suspected to be unused
and untested.

R=fmalita@chromium.org
TBR=reed@google.com,bsalomon@google.com

Bug: skia:6818
Change-Id: I6a9982a26a883982af3592f3302029a1bcdf5aa3
Reviewed-on: https://skia-review.googlesource.com/141820
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
Commit-Queue: Cary Clark <caryclark@skia.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/src/core/SkTextBlobPriv.h b/src/core/SkTextBlobPriv.h
new file mode 100644
index 0000000000..70fdf5a57e
--- /dev/null
+++ b/src/core/SkTextBlobPriv.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkTextBlobPriv_DEFINED
+#define SkTextBlobPriv_DEFINED
+
+#include "SkTextBlob.h"
+
+class SkReadBuffer;
+class SkWriteBuffer;
+
+class SkTextBlobPriv {
+public:
+    /**
+     *  Serialize to a buffer.
+     */
+    static void Flatten(const SkTextBlob& , SkWriteBuffer&);
+
+    /**
+     *  Recreate an SkTextBlob that was serialized into a buffer.
+     *
+     *  @param  SkReadBuffer Serialized blob data.
+     *  @return A new SkTextBlob representing the serialized data, or NULL if the buffer is
+     *          invalid.
+     */
+    static sk_sp<SkTextBlob> MakeFromBuffer(SkReadBuffer&);
+};
+
+#endif // SkTextBlobPriv_DEFINED