Deprecate NonThreadSafe in net/ in favor of SequenceChecker/ThreadChecker.

net/url_request/url_request_job_factory.h

Index: net/url_request/url_request_job_factory.h
diff --git a/net/url_request/url_request_job_factory.h b/net/url_request/url_request_job_factory.h
index bf7d7525dc4c293170b0db866f39c5b5544b27b7..eabdfe0b4103cb5e4bc599eb7caeea52ff644e33 100644
--- a/net/url_request/url_request_job_factory.h
+++ b/net/url_request/url_request_job_factory.h
@@ -9,7 +9,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/threading/thread_checker.h"
 #include "net/base/net_export.h"
 
 class GURL;
@@ -20,8 +20,7 @@ class NetworkDelegate;
 class URLRequest;
 class URLRequestJob;
 
-class NET_EXPORT URLRequestJobFactory
-    : NON_EXPORTED_BASE(public base::NonThreadSafe) {
+class NET_EXPORT URLRequestJobFactory {
  public:
   // TODO(shalev): Move this to URLRequestJobFactoryImpl.
   class NET_EXPORT ProtocolHandler {
@@ -60,6 +59,9 @@ class NET_EXPORT URLRequestJobFactory
 
   virtual bool IsSafeRedirectTarget(const GURL& location) const = 0;
 
+ protected:
+  THREAD_CHECKER(thread_checker_);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(URLRequestJobFactory);
 };