Revert^2 "libandroidfw hardening for IncFs"

55ef6167a2c235bd88c7216238b2001b46795b79

Change-Id: I02d4890d181655dfd0a14c188468db512559d27b
diff --git a/libs/androidfw/StreamingZipInflater.cpp b/libs/androidfw/StreamingZipInflater.cpp
index b39b5f0..1c5e5d4 100644
--- a/libs/androidfw/StreamingZipInflater.cpp
+++ b/libs/androidfw/StreamingZipInflater.cpp
@@ -70,13 +70,13 @@
 /*
  * Streaming access to compressed data held in an mmapped region of memory
  */
-StreamingZipInflater::StreamingZipInflater(FileMap* dataMap, size_t uncompSize) {
+StreamingZipInflater::StreamingZipInflater(const incfs::IncFsFileMap* dataMap, size_t uncompSize) {
     mFd = -1;
     mDataMap = dataMap;
     mOutTotalSize = uncompSize;
-    mInTotalSize = dataMap->getDataLength();
+    mInTotalSize = dataMap->length();
 
-    mInBuf = (uint8_t*) dataMap->getDataPtr();
+    mInBuf = (uint8_t*) dataMap->unsafe_data(); // IncFs safety handled in zlib.
     mInBufSize = mInTotalSize;
 
     mOutBufSize = StreamingZipInflater::OUTPUT_CHUNK_SIZE;