option to return drawable from recording

tools/DumpRecord.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <stdio.h>
 
 #include "SkRecord.h"
 #include "SkRecordDraw.h"
 
 #include "DumpRecord.h"
 #include "Timer.h"
 
 namespace {
 
 class Dumper {
 public:
     explicit Dumper(SkCanvas* canvas, int count, bool timeWithCommand)
         : fDigits(0)
         , fIndent(0)
         , fIndex(0)
-        , fDraw(canvas, NULL, 0, NULL)
+        , fDraw(canvas, NULL, NULL, 0, NULL)
         , fTimeWithCommand(timeWithCommand) {
         while (count > 0) {
             count /= 10;
             fDigits++;
         }
     }
 
     template <typename T>
     void operator()(const T& command) {
         Timer timer;
@@ skipping 67 matching lines @@
 }  // namespace
 
 void DumpRecord(const SkRecord& record,
                   SkCanvas* canvas,
                   bool timeWithCommand) {
     Dumper dumper(canvas, record.count(), timeWithCommand);
     for (unsigned i = 0; i < record.count(); i++) {
         record.visit<void>(i, dumper);
     }
 }