use SkData::NewUninitialized

src/core/SkPictureData.cpp

Index: src/core/SkPictureData.cpp
diff --git a/src/core/SkPictureData.cpp b/src/core/SkPictureData.cpp
index a2d10e3b9b0e1f67ceea0300983c29584db7e9b5..e995d05aca397b0aa9720d3f324f8c510614fb46 100644
--- a/src/core/SkPictureData.cpp
+++ b/src/core/SkPictureData.cpp
@@ -390,14 +390,13 @@ bool SkPictureData::parseStreamTag(SkStream* stream,
     SkDEBUGCODE(bool haveBuffer = false;)
 
     switch (tag) {
-        case SK_PICT_READER_TAG: {
-            SkAutoMalloc storage(size);
-            if (stream->read(storage.get(), size) != size) {
+        case SK_PICT_READER_TAG:
+            SkASSERT(NULL == fOpData);
+            fOpData = stream->readIntoData(size);
+            if (!fOpData) {
                 return false;
             }
-            SkASSERT(NULL == fOpData);
-            fOpData = SkData::NewFromMalloc(storage.detach(), size);
-        } break;
+            break;
         case SK_PICT_FACTORY_TAG: {
             SkASSERT(!haveBuffer);
         // Remove this code when v21 and below are no longer supported. At the
@@ -538,13 +537,13 @@ bool SkPictureData::parseBufferTag(SkReadBuffer& buffer,
             }
         } break;
         case SK_PICT_READER_TAG: {
-            SkAutoMalloc storage(size);
-            if (!buffer.readByteArray(storage.get(), size) ||
+            SkAutoDataUnref data(SkData::NewUninitialized(size));
+            if (!buffer.readByteArray(data->writable_data(), size) ||
                 !buffer.validate(NULL == fOpData)) {
                 return false;
             }
             SkASSERT(NULL == fOpData);
-            fOpData = SkData::NewFromMalloc(storage.detach(), size);
+            fOpData = data.detach();
         } break;
         case SK_PICT_PICTURE_TAG: {
             if (!buffer.validate((0 == fPictureCount) && (NULL == fPictureRefs))) {