[libFuzzer] code refactoring; NFC

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@360400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerDataFlowTrace.h b/FuzzerDataFlowTrace.h
index a45cb58..4b80de7 100644
--- a/FuzzerDataFlowTrace.h
+++ b/FuzzerDataFlowTrace.h
@@ -29,6 +29,7 @@
 #define LLVM_FUZZER_DATA_FLOW_TRACE
 
 #include "FuzzerDefs.h"
+#include "FuzzerIO.h"
 
 #include <unordered_map>
 #include <vector>
@@ -37,8 +38,7 @@
 namespace fuzzer {
 
 int CollectDataFlow(const std::string &DFTBinary, const std::string &DirPath,
-                    const Vector<std::string> &CorpusDirs,
-                    const Vector<std::string> &ExtraSeeds);
+                    const Vector<SizedFile> &CorporaFiles);
 
 class BlockCoverage {
  public: