Replace SkPicture(SkStream) constructors with a factory.

samplecode/SampleApp.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 "SampleApp.h"
 
 #include "SkData.h"
 #include "SkCanvas.h"
@@ skipping 1361 matching lines @@
             this->installDrawFilter(orig);
             orig->drawPicture(*pict);
             pict->unref();
         } else if (true) {
             SkDynamicMemoryWStream ostream;
             fPicture->serialize(&ostream);
             fPicture->unref();
 
             SkAutoDataUnref data(ostream.copyToData());
             SkMemoryStream istream(data->data(), data->size());
-            SkPicture pict(&istream);
-            orig->drawPicture(pict);
+            SkAutoTUnref<SkPicture> pict(SkPicture::CreateFromStream(&istream));
+            if (pict.get() != NULL) {
+                orig->drawPicture(*pict.get());
+            }
         } else {
             fPicture->draw(orig);
             fPicture->unref();
         }
         fPicture = NULL;
     }
 
     // Do this after presentGL and other finishing, rather than in afterChild
     if (fMeasureFPS && fMeasureFPS_StartTime) {
         fMeasureFPS_Time += SkTime::GetMSecs() - fMeasureFPS_StartTime;
@@ skipping 1074 matching lines @@
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 // FIXME: this should be in a header
 void application_term();
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }