obsolete: SFI NaCl: Batch-open resource files

components/nacl/browser/nacl_browser.h

Index: components/nacl/browser/nacl_browser.h
diff --git a/components/nacl/browser/nacl_browser.h b/components/nacl/browser/nacl_browser.h
index 21e3ac7504e70c63046beccff483145837f6334e..761da11915567ec88bc23542b1611a55357c781c 100644
--- a/components/nacl/browser/nacl_browser.h
+++ b/components/nacl/browser/nacl_browser.h
@@ -28,11 +28,39 @@ namespace nacl {
 static const int kGdbDebugStubPortUnknown = -1;
 static const int kGdbDebugStubPortUnused = 0;
 
+class OpenNaClFileReadExecImplResult {
+  MOVE_ONLY_TYPE_FOR_CPP_03(OpenNaClFileReadExecImplResult, RValue);
+
+ public:
+  OpenNaClFileReadExecImplResult();
+  OpenNaClFileReadExecImplResult(base::File file, base::FilePath file_path);
+  ~OpenNaClFileReadExecImplResult();
+
+  OpenNaClFileReadExecImplResult(RValue other);
+  OpenNaClFileReadExecImplResult& operator=(RValue other);
+
+  bool IsValid() const;
+
+  base::File file() { return file_.Pass(); }
+  base::FilePath file_path() { return file_path_; }
+
+ private:
+  base::File file_;
+  base::FilePath file_path_;
+};
+
 // Open an immutable executable file that can be mmapped (or a read-only file).
 // This function should only be called on a thread that can perform file IO.
 base::File OpenNaClReadExecImpl(const base::FilePath& file_path,
                                 bool is_executable);
 
+// The same as OpenNaClReadExecImpl except that this one opens all files in
+// the vector at once. Returns an array of length |file_paths.length()|. The
+// returned array may contain invalid base::File object(s) when one or more
+// files in |file_paths| are not found.
+scoped_ptr<OpenNaClFileReadExecImplResult[]> OpenNaClFilesReadExecImpl(
+    const std::vector<base::FilePath>& file_paths, bool is_executable);
+
 // Represents shared state for all NaClProcessHost objects in the browser.
 class NaClBrowser {
  public: