Use libdexfile external API in libunwindstack.

Test: mmma system/core/{libunwindstack,libbacktrace}, run host gtests
Test: Make image, flash, and reboot device.
Bug: 119632407
Change-Id: I370f089a1b20ba432e136818b4325d46f99df708

1 files changed, 5 insertions, 8 deletions

diff --git a/libunwindstack/DexFiles.cpp b/libunwindstack/DexFiles.cpp
index 451a0b90d..63a77e50f 100644
--- a/libunwindstack/DexFiles.cpp
+++ b/libunwindstack/DexFiles.cpp
@@ -48,11 +48,7 @@ DexFiles::DexFiles(std::shared_ptr<Memory>& memory) : Global(memory) {}
 DexFiles::DexFiles(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs)
     : Global(memory, search_libs) {}
 
-DexFiles::~DexFiles() {
-  for (auto& entry : files_) {
-    delete entry.second;
-  }
-}
+DexFiles::~DexFiles() {}
 
 void DexFiles::ProcessArch() {
   switch (arch()) {
@@ -137,10 +133,11 @@ DexFile* DexFiles::GetDexFile(uint64_t dex_file_offset, MapInfo* info) {
   DexFile* dex_file;
   auto entry = files_.find(dex_file_offset);
   if (entry == files_.end()) {
-    dex_file = DexFile::Create(dex_file_offset, memory_.get(), info);
-    files_[dex_file_offset] = dex_file;
+    std::unique_ptr<DexFile> new_dex_file = DexFile::Create(dex_file_offset, memory_.get(), info);
+    dex_file = new_dex_file.get();
+    files_[dex_file_offset] = std::move(new_dex_file);
   } else {
-    dex_file = entry->second;
+    dex_file = entry->second.get();
   }
   return dex_file;
 }