Remove "using" from header files.

Per style guide, we should not have global using clausules in header
files since they polute the namespace for everybody including the
header.

Bug: None
Test: It still builds.
Change-Id: Id34b18fbed9e71e3c502e4a91c4d242e553b6f88

1 files changed, 4 insertions, 6 deletions

diff --git a/bsdiff_arguments.h b/bsdiff_arguments.h
index fdce065..b330834 100644
--- a/bsdiff_arguments.h
+++ b/bsdiff_arguments.h
@@ -12,8 +12,6 @@
 #include "bsdiff/constants.h"
 #include "bsdiff/patch_writer_interface.h"
 
-using std::string;
-
 namespace bsdiff {
 
 // Class to store the patch writer options about format, type and quality.
@@ -46,16 +44,16 @@ class BsdiffArguments {
   bool ParseCommandLine(int argc, char** argv);
 
   // Parse the compression type from string.
-  static bool ParseCompressorType(const string& str, CompressorType* type);
+  static bool ParseCompressorType(const std::string& str, CompressorType* type);
 
   // Parse the minimum length parameter from string.
-  static bool ParseMinLength(const string& str, size_t* len);
+  static bool ParseMinLength(const std::string& str, size_t* len);
 
   // Parse the bsdiff format from string.
-  static bool ParseBsdiffFormat(const string& str, BsdiffFormat* format);
+  static bool ParseBsdiffFormat(const std::string& str, BsdiffFormat* format);
 
   // Parse the compression quality (for brotli) from string.
-  static bool ParseQuality(const string& str, int* quality);
+  static bool ParseQuality(const std::string& str, int* quality);
 
  private:
   // Current format supported are the legacy "BSDIFF40" or "BSDF2".