StdioFileSystem() now takes a Timer argument to its constructor

src/ngx_rewrite_driver_factory.cc

@@ -54,9 +54,11 @@ class Writer;
 NgxRewriteDriverFactory::NgxRewriteDriverFactory() {
   RewriteDriverFactory::InitStats(&simple_stats_);
   SetStatistics(&simple_stats_);
+  timer_ = DefaultTimer();
 }
 
 NgxRewriteDriverFactory::~NgxRewriteDriverFactory() {
+  delete timer_;
 }
 
 Hasher* NgxRewriteDriverFactory::NewHasher() {
@@ -80,7 +82,7 @@ MessageHandler* NgxRewriteDriverFactory::DefaultMessageHandler() {
 }
 
 FileSystem* NgxRewriteDriverFactory::DefaultFileSystem() {
-  return new StdioFileSystem;
+  return new StdioFileSystem(timer_);
 }
 
 Timer* NgxRewriteDriverFactory::DefaultTimer() {

src/ngx_rewrite_driver_factory.h

@@ -42,6 +42,7 @@ class NgxRewriteDriverFactory : public RewriteDriverFactory {
  private:
   SimpleStats simple_stats_;
   const RewriteGflags gflags_;
+  Timer* timer_;
   
   DISALLOW_COPY_AND_ASSIGN(NgxRewriteDriverFactory);
 };