Allow creating a picture from skp to fail.

src/core/SkPicture.cpp

Index: src/core/SkPicture.cpp
diff --git a/src/core/SkPicture.cpp b/src/core/SkPicture.cpp
index a1aa35e61e09f1447e65f70271d9c49cd3db46d6..18e229ca233f182effd9168f241fd1641e6400d3 100644
--- a/src/core/SkPicture.cpp
+++ b/src/core/SkPicture.cpp
@@ -310,7 +310,12 @@ SkPicture* SkPicture::CreateFromStream(SkStream* stream, InstallPixelRefProc pro
     SkPicturePlayback* playback;
     // Check to see if there is a playback to recreate.
     if (stream->readBool()) {
-        playback = SkNEW_ARGS(SkPicturePlayback, (stream, info, proc));
+        bool isValid = false;
+        playback = SkNEW_ARGS(SkPicturePlayback, (stream, info, &isValid, proc));
+        if (!isValid) {
+            SkDELETE(playback);
+            return NULL;
+        }
     } else {
         playback = NULL;
     }