Prototype code that turns any/every flattenable into JSON

tests/FlattenDrawableTest.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkDrawable.h"
 #include "SkOnce.h"
@@ skipping 192 matching lines @@
     buffer.setCustomFactory(SkString("CompoundDrawable"), CompoundDrawable::CreateProc);
     buffer.setCustomFactory(SkString("RootDrawable"), RootDrawable::CreateProc);
 }
 
 DEF_TEST(FlattenDrawable, r) {
     // Create and serialize the test drawable
     SkAutoTUnref<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
     SkPaint paint;
     paint.setColor(SK_ColorBLUE);
     SkAutoTUnref<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable));
-    SkWriteBuffer writeBuffer;
+    SkBinaryWriteBuffer writeBuffer;
     writeBuffer.writeFlattenable(root);
 
     // Copy the contents of the write buffer into a read buffer
     sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
     writeBuffer.writeToMemory(data->writable_data());
     SkReadBuffer readBuffer(data->data(), data->size());
     register_test_drawables(readBuffer);
 
     // Deserialize and verify the drawable
     SkAutoTUnref<SkDrawable> out((SkDrawable*)
@@ skipping 15 matching lines @@
 
     // Note that we can still recognize the generic drawable as an IntDrawable
     SkDrawable* generic = rootOut->drawable();
     REPORTER_ASSERT(r, !strcmp("IntDrawable", generic->getTypeName()));
     IntDrawable* integer = (IntDrawable*) generic;
     REPORTER_ASSERT(r, 1 == integer->a());
     REPORTER_ASSERT(r, 2 == integer->b());
     REPORTER_ASSERT(r, 3 == integer->c());
     REPORTER_ASSERT(r, 4 == integer->d());
 }