DM: conserve memory when using --skps

dm/DM.cpp

 // Main binary for DM.
 // For a high-level overview, please see dm/README.
 
 #include "CrashHandler.h"
+#include "LazyDecodeBitmap.h"
 #include "SkCommonFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkPicture.h"
 #include "SkString.h"
 #include "Test.h"
 #include "gm.h"
 #include "sk_tool_utils.h"
 #include "sk_tool_utils_flags.h"
 
@@ skipping 121 matching lines @@
 }
 
 static void kick_off_skps(const SkTArray<SkString>& skps,
                           DM::Reporter* reporter, DM::TaskRunner* tasks) {
     for (int i = 0; i < skps.count(); ++i) {
         SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(skps[i].c_str()));
         if (stream.get() == NULL) {
             SkDebugf("Could not read %s.\n", skps[i].c_str());
             exit(1);
         }
-        SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream.get()));
+        SkAutoTUnref<SkPicture> pic(
+                SkPicture::CreateFromStream(stream.get(), &sk_tools::LazyDecodeBitmap));
         if (pic.get() == NULL) {
             SkDebugf("Could not read %s as an SkPicture.\n", skps[i].c_str());
             exit(1);
         }
 
         SkString filename = SkOSPath::Basename(skps[i].c_str());
         tasks->add(SkNEW_ARGS(DM::SKPTask, (reporter, tasks, pic, filename)));
         tasks->add(SkNEW_ARGS(DM::PDFTask, (reporter, tasks, pic, filename,
                                             RASTERIZE_PDF_PROC)));
     }
@@ skipping 94 matching lines @@
     report_failures(failures);
     return failures.count() > 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif