Memory improvements to render_pdfs; better DM pool size defaults

tools/render_pdfs_main.cpp

Index: tools/render_pdfs_main.cpp
diff --git a/tools/render_pdfs_main.cpp b/tools/render_pdfs_main.cpp
index be294399ec24e576ec46f5be1f35ad43780dcc42..deabb3a0ac8c7c0d37bbab54b15534c9bbfd60f9 100644
--- a/tools/render_pdfs_main.cpp
+++ b/tools/render_pdfs_main.cpp
@@ -19,6 +19,7 @@
 #include "SkTSort.h"
 #include "PdfRenderer.h"
 #include "picture_utils.h"
+#include "LazyDecodeBitmap.h"
 
 __SK_FORCE_IMAGE_DECODER_LINKING;
 
@@ -160,7 +161,9 @@ static bool render_pdf(const SkString& inputPath, const SkString& outputDir,
         return false;
     }
 
-    SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromStream(&inputStream));
+    SkAutoTUnref<SkPicture> picture(
+            SkPicture::CreateFromStream(
+                    &inputStream, &sk_tools::LazyDecodeBitmap));
 
     if (NULL == picture.get()) {
         SkDebugf("Could not read an SkPicture from %s\n", inputPath.c_str());