Convert SkWriter32 to use an SkTDArray for its internal storage.

tests/PathTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 #include "TestClassDef.h"
 #include "SkCanvas.h"
@@ skipping 1820 matching lines @@
     src.addRect(1, 1, 7, 7, SkPath::kCW_Direction);
     SkPaint strokePaint;
     strokePaint.setStyle(SkPaint::kStroke_Style);
     strokePaint.setStrokeWidth(2);
     strokePaint.getFillPath(src, &dst);
     REPORTER_ASSERT(reporter, dst.isNestedRects(NULL));
 }
 
 static void write_and_read_back(skiatest::Reporter* reporter,
                                 const SkPath& p) {
-    SkWriter32 writer(100);
+    SkWriter32 writer;
     writer.writePath(p);
     size_t size = writer.bytesWritten();
     SkAutoMalloc storage(size);
     writer.flatten(storage.get());
     SkReader32 reader(storage.get(), size);
 
     SkPath readBack;
     REPORTER_ASSERT(reporter, readBack != p);
     reader.readPath(&readBack);
     REPORTER_ASSERT(reporter, readBack == p);
@@ skipping 1508 matching lines @@
     test_rrect(reporter);
     test_arc(reporter);
     test_arcTo(reporter);
     test_addPath(reporter);
     test_conicTo_special_case(reporter);
     test_get_point(reporter);
     test_contains(reporter);
     PathTest_Private::TestPathTo(reporter);
     PathRefTest_Private::TestPathRef(reporter);
 }