Revert of Apply Referrer-Policy header when following redirects

net/url_request/url_request_context.h

Index: net/url_request/url_request_context.h
diff --git a/net/url_request/url_request_context.h b/net/url_request/url_request_context.h
index 40b2486e68f02f03e0921b1fbd5c2e3e1d5db3a0..5eb2884c9c51c404c4cbba14655757f16d78955c 100644
--- a/net/url_request/url_request_context.h
+++ b/net/url_request/url_request_context.h
@@ -229,14 +229,6 @@
   void set_enable_brotli(bool enable_brotli) { enable_brotli_ = enable_brotli; }
 
   bool enable_brotli() const { return enable_brotli_; }
-
-  void set_enable_referrer_policy_header(bool enable_referrer_policy_header) {
-    enable_referrer_policy_header_ = enable_referrer_policy_header;
-  }
-
-  bool enable_referrer_policy_header() const {
-    return enable_referrer_policy_header_;
-  }
 
  private:
   // ---------------------------------------------------------------------------
@@ -277,11 +269,6 @@
   // Enables Brotli Content-Encoding support.
   bool enable_brotli_;
 
-  // Enables parsing and applying the Referrer-Policy header when
-  // following redirects. TODO(estark): remove this flag once
-  // Referrer-Policy ships (https://crbug.com/619228).
-  bool enable_referrer_policy_header_;
-
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };