Remove X-Chrome-Exponential-Throttling header

net/url_request/url_request_throttler_test_support.h

Index: net/url_request/url_request_throttler_test_support.h
diff --git a/net/url_request/url_request_throttler_test_support.h b/net/url_request/url_request_throttler_test_support.h
index 9331c4b6218045b609ea6faa24e7022f160b5c72..93e4e2a39baaee17734dad9c025b6e8ceae4efce 100644
--- a/net/url_request/url_request_throttler_test_support.h
+++ b/net/url_request/url_request_throttler_test_support.h
@@ -11,7 +11,6 @@
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
 #include "net/base/backoff_entry.h"
-#include "net/url_request/url_request_throttler_header_interface.h"
 
 namespace net {
 
@@ -29,35 +28,6 @@ class TestTickClock : public base::TickClock {
   DISALLOW_COPY_AND_ASSIGN(TestTickClock);
 };
 
-// Mocks the URLRequestThrottlerHeaderInterface, allowing testing code to
-// pass arbitrary fake headers to the throttling code.
-class MockURLRequestThrottlerHeaderAdapter
-    : public URLRequestThrottlerHeaderInterface {
- public:
-  // Constructs mock response headers with the given |response_code| and no
-  // custom response header fields.
-  explicit MockURLRequestThrottlerHeaderAdapter(int response_code);
-
-  // Constructs mock response headers with the given |response_code| and
-  // with a custom-retry header value |retry_value| if it is non-empty, and
-  // a custom opt-out header value |opt_out_value| if it is non-empty.
-  MockURLRequestThrottlerHeaderAdapter(const std::string& retry_value,
-                                       const std::string& opt_out_value,
-                                       int response_code);
-  ~MockURLRequestThrottlerHeaderAdapter() override;
-
-  // URLRequestThrottlerHeaderInterface overrides.
-  std::string GetNormalizedValue(const std::string& key) const override;
-  int GetResponseCode() const override;
-
- private:
-  std::string fake_retry_value_;
-  std::string fake_opt_out_value_;
-  int fake_response_code_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockURLRequestThrottlerHeaderAdapter);
-};
-
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_THROTTLER_TEST_SUPPORT_H_