pdfviewer: measure mem usage, command line flags library.

experimental/PdfViewer/SkPdfRenderer.cpp

 /*
  * Copyright 2013 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 "SkDevice.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkStream.h"
 #include "SkTypeface.h"
 #include "SkTArray.h"
-#include "picture_utils.h"
 
 #include <iostream>
 #include <cstdio>
 #include <stack>
 #include <set>
 
 __SK_FORCE_IMAGE_DECODER_LINKING;
 
 // TODO(edisonn): tool, show what objects were read at least, show the ones not even read
 // keep for each object pos in file
@@ skipping 1976 matching lines @@
 
 void SkPdfRenderer::unload() {
     delete fPdfDoc;
     fPdfDoc = NULL;
 }
 
 SkRect SkPdfRenderer::MediaBox(int page) const {
     SkASSERT(fPdfDoc);
     return fPdfDoc->MediaBox(page);
 }
+
+size_t SkPdfRenderer::bytesUsed() {
+    return fPdfDoc ? fPdfDoc->bytesUsed() : 0;
+}
+