Move QuicClock to third_party/quic/core.

It has never had a platform impl, and thus should not be in quic/platform/api.

gfe-relnote: n/a (no functional change)
PiperOrigin-RevId: 294522346
Change-Id: Ibba0760f4a5a8c9a59c5eb3796b17f11f8a1a87d
diff --git a/quic/quartc/quartc_connection_helper.h b/quic/quartc/quartc_connection_helper.h
index 184dacc..72cc707 100644
--- a/quic/quartc/quartc_connection_helper.h
+++ b/quic/quartc/quartc_connection_helper.h
@@ -7,9 +7,9 @@
 
 #include "net/third_party/quiche/src/quic/core/crypto/quic_random.h"
 #include "net/third_party/quiche/src/quic/core/quic_buffer_allocator.h"
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_connection.h"
 #include "net/third_party/quiche/src/quic/core/quic_simple_buffer_allocator.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 
 namespace quic {
 
diff --git a/quic/quartc/quartc_endpoint.h b/quic/quartc/quartc_endpoint.h
index f284d27..ea1a63f 100644
--- a/quic/quartc/quartc_endpoint.h
+++ b/quic/quartc/quartc_endpoint.h
@@ -8,8 +8,8 @@
 #include <string>
 
 #include "net/third_party/quiche/src/quic/core/quic_alarm_factory.h"
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_error_codes.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_connection_helper.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_crypto_helpers.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_dispatcher.h"
diff --git a/quic/quartc/quartc_fakes.h b/quic/quartc/quartc_fakes.h
index 41594df..94bf1ad 100644
--- a/quic/quartc/quartc_fakes.h
+++ b/quic/quartc/quartc_fakes.h
@@ -7,9 +7,9 @@
 
 #include <string>
 
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_error_codes.h"
 #include "net/third_party/quiche/src/quic/core/quic_types.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_endpoint.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_session.h"
 #include "net/third_party/quiche/src/quic/quartc/quartc_stream.h"
diff --git a/quic/quartc/quartc_session_test.cc b/quic/quartc/quartc_session_test.cc
index cab7e60..03b40bc 100644
--- a/quic/quartc/quartc_session_test.cc
+++ b/quic/quartc/quartc_session_test.cc
@@ -6,11 +6,11 @@
 
 #include <utility>
 
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_simple_buffer_allocator.h"
 #include "net/third_party/quiche/src/quic/core/quic_types.h"
 #include "net/third_party/quiche/src/quic/core/tls_client_handshaker.h"
 #include "net/third_party/quiche/src/quic/core/tls_server_handshaker.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test_mem_slice_vector.h"
diff --git a/quic/quartc/quartc_stream_test.cc b/quic/quartc/quartc_stream_test.cc
index 3237b0b..56489ca 100644
--- a/quic/quartc/quartc_stream_test.cc
+++ b/quic/quartc/quartc_stream_test.cc
@@ -13,6 +13,7 @@
 #include "net/third_party/quiche/src/quic/core/frames/quic_stream_frame.h"
 #include "net/third_party/quiche/src/quic/core/quic_alarm_factory.h"
 #include "net/third_party/quiche/src/quic/core/quic_buffer_allocator.h"
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_config.h"
 #include "net/third_party/quiche/src/quic/core/quic_connection.h"
 #include "net/third_party/quiche/src/quic/core/quic_crypto_stream.h"
@@ -26,7 +27,6 @@
 #include "net/third_party/quiche/src/quic/core/quic_utils.h"
 #include "net/third_party/quiche/src/quic/core/quic_versions.h"
 #include "net/third_party/quiche/src/quic/core/quic_write_blocked_list.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_ip_address.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_socket_address.h"
diff --git a/quic/quartc/test/quartc_data_source.h b/quic/quartc/test/quartc_data_source.h
index 8c5ee3b..af796e6 100644
--- a/quic/quartc/test/quartc_data_source.h
+++ b/quic/quartc/test/quartc_data_source.h
@@ -9,8 +9,8 @@
 #include "net/third_party/quiche/src/quic/core/quic_alarm.h"
 #include "net/third_party/quiche/src/quic/core/quic_alarm_factory.h"
 #include "net/third_party/quiche/src/quic/core/quic_bandwidth.h"
+#include "net/third_party/quiche/src/quic/core/quic_clock.h"
 #include "net/third_party/quiche/src/quic/core/quic_time.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_clock.h"
 #include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
 
 namespace quic {