diff --git a/base/android/jni_android_unittest.cc b/base/android/jni_android_unittest.cc
index 3f25775b974550..30dc0c777dab96 100644
--- a/base/android/jni_android_unittest.cc
+++ b/base/android/jni_android_unittest.cc
@@ -6,6 +6,7 @@
 
 #include "base/at_exit.h"
 #include "base/logging.h"
+#include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
diff --git a/cc/raster/task.cc b/cc/raster/task.cc
index 5a34ca86ad25e8..9fc91ffb6a6991 100644
--- a/cc/raster/task.cc
+++ b/cc/raster/task.cc
@@ -4,6 +4,9 @@
 
 #include "cc/raster/task.h"
 
+#include <ostream>
+#include <utility>
+
 #include "base/check.h"
 #include "base/notreached.h"
 
diff --git a/chrome/browser/media/webrtc/webrtc_log_buffer.cc b/chrome/browser/media/webrtc/webrtc_log_buffer.cc
index b6a96770773f93..50c9a71e910298 100644
--- a/chrome/browser/media/webrtc/webrtc_log_buffer.cc
+++ b/chrome/browser/media/webrtc/webrtc_log_buffer.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/media/webrtc/webrtc_log_buffer.h"
 
+#include <ostream>
+
 #include "base/check_op.h"
 
 WebRtcLogBuffer::WebRtcLogBuffer()
diff --git a/chrome/chrome_cleaner/parsers/parser_utils/parse_tasks_remaining_counter.cc b/chrome/chrome_cleaner/parsers/parser_utils/parse_tasks_remaining_counter.cc
index d2186782881a00..312ba761f37af5 100644
--- a/chrome/chrome_cleaner/parsers/parser_utils/parse_tasks_remaining_counter.cc
+++ b/chrome/chrome_cleaner/parsers/parser_utils/parse_tasks_remaining_counter.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/chrome_cleaner/parsers/parser_utils/parse_tasks_remaining_counter.h"
 
+#include <ostream>
+
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/waitable_event.h"
 
diff --git a/components/policy/core/common/schema.cc b/components/policy/core/common/schema.cc
index f7be6143ed3680..c5ceebb8c95ac9 100644
--- a/components/policy/core/common/schema.cc
+++ b/components/policy/core/common/schema.cc
@@ -11,6 +11,7 @@
 #include <climits>
 #include <map>
 #include <memory>
+#include <ostream>
 #include <set>
 #include <utility>
 
diff --git a/components/prefs/overlay_user_pref_store.cc b/components/prefs/overlay_user_pref_store.cc
index 4b13f4fdf60b5a..a8b27a3566850b 100644
--- a/components/prefs/overlay_user_pref_store.cc
+++ b/components/prefs/overlay_user_pref_store.cc
@@ -5,6 +5,7 @@
 #include "components/prefs/overlay_user_pref_store.h"
 
 #include <memory>
+#include <ostream>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
diff --git a/components/prefs/pref_registry.cc b/components/prefs/pref_registry.cc
index e9239985f3ac73..6761a2e6d59d32 100644
--- a/components/prefs/pref_registry.cc
+++ b/components/prefs/pref_registry.cc
@@ -4,6 +4,7 @@
 
 #include "components/prefs/pref_registry.h"
 
+#include <ostream>
 #include <utility>
 
 #include "base/check_op.h"
diff --git a/components/segmentation_platform/internal/database/database_maintenance_impl.cc b/components/segmentation_platform/internal/database/database_maintenance_impl.cc
index 4eb427c3a9f6be..c33f2c664f2814 100644
--- a/components/segmentation_platform/internal/database/database_maintenance_impl.cc
+++ b/components/segmentation_platform/internal/database/database_maintenance_impl.cc
@@ -17,6 +17,7 @@
 #include "base/callback_helpers.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/clock.h"
+#include "base/time/time.h"
 #include "components/segmentation_platform/internal/database/segment_info_database.h"
 #include "components/segmentation_platform/internal/database/signal_database.h"
 #include "components/segmentation_platform/internal/database/signal_storage_config.h"
diff --git a/components/segmentation_platform/internal/database/database_maintenance_impl.h b/components/segmentation_platform/internal/database/database_maintenance_impl.h
index 618fbdfa4d1f99..0f6c3bccad317b 100644
--- a/components/segmentation_platform/internal/database/database_maintenance_impl.h
+++ b/components/segmentation_platform/internal/database/database_maintenance_impl.h
@@ -6,6 +6,7 @@
 #define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_DATABASE_MAINTENANCE_IMPL_H_
 
 #include <set>
+#include <tuple>
 #include <utility>
 #include <vector>
 
@@ -17,6 +18,7 @@
 
 namespace base {
 class Clock;
+class Time;
 }  // namespace base
 
 using optimization_guide::proto::OptimizationTarget;
diff --git a/content/public/browser/global_routing_id.h b/content/public/browser/global_routing_id.h
index 4a3759386a4c0b..cb1b9bfe839e29 100644
--- a/content/public/browser/global_routing_id.h
+++ b/content/public/browser/global_routing_id.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_PUBLIC_BROWSER_GLOBAL_ROUTING_ID_H_
 #define CONTENT_PUBLIC_BROWSER_GLOBAL_ROUTING_ID_H_
 
+#include <ostream>
 #include <tuple>
 
 #include "base/hash/hash.h"
diff --git a/content/public/browser/notification_registrar.cc b/content/public/browser/notification_registrar.cc
index 6f9583e3d504e4..002e7d525a4d99 100644
--- a/content/public/browser/notification_registrar.cc
+++ b/content/public/browser/notification_registrar.cc
@@ -7,6 +7,7 @@
 #include <stddef.h>
 
 #include <algorithm>
+#include <ostream>
 
 #include "base/check_op.h"
 #include "base/containers/contains.h"
diff --git a/content/public/browser/web_ui_message_handler.h b/content/public/browser/web_ui_message_handler.h
index 3fd323d2bc2684..65d149ae68d684 100644
--- a/content/public/browser/web_ui_message_handler.h
+++ b/content/public/browser/web_ui_message_handler.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_UI_MESSAGE_HANDLER_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_UI_MESSAGE_HANDLER_H_
 
+#include <ostream>
 #include <string>
 #include <vector>
 
diff --git a/extensions/browser/value_store/testing_value_store.cc b/extensions/browser/value_store/testing_value_store.cc
index 52b31a7718021d..3bf99b42890144 100644
--- a/extensions/browser/value_store/testing_value_store.cc
+++ b/extensions/browser/value_store/testing_value_store.cc
@@ -5,6 +5,7 @@
 #include "extensions/browser/value_store/testing_value_store.h"
 
 #include <memory>
+#include <ostream>
 #include <utility>
 
 #include "base/notreached.h"
diff --git a/extensions/renderer/bindings/api_response_validator.cc b/extensions/renderer/bindings/api_response_validator.cc
index d2d2253cb9d31c..c0b7047b85025b 100644
--- a/extensions/renderer/bindings/api_response_validator.cc
+++ b/extensions/renderer/bindings/api_response_validator.cc
@@ -4,6 +4,8 @@
 
 #include "extensions/renderer/bindings/api_response_validator.h"
 
+#include <ostream>
+
 #include "extensions/renderer/bindings/api_binding_util.h"
 #include "extensions/renderer/bindings/api_signature.h"
 #include "extensions/renderer/bindings/api_type_reference_map.h"
diff --git a/extensions/renderer/bindings/api_type_reference_map.cc b/extensions/renderer/bindings/api_type_reference_map.cc
index 62430e78bdf5f8..742eb359c86a21 100644
--- a/extensions/renderer/bindings/api_type_reference_map.cc
+++ b/extensions/renderer/bindings/api_type_reference_map.cc
@@ -4,6 +4,8 @@
 
 #include "extensions/renderer/bindings/api_type_reference_map.h"
 
+#include <ostream>
+
 #include "extensions/renderer/bindings/api_signature.h"
 #include "extensions/renderer/bindings/argument_spec.h"
 
diff --git a/extensions/renderer/bindings/test_js_runner.cc b/extensions/renderer/bindings/test_js_runner.cc
index ed3a88eac79fb5..e9b6a170d6b1db 100644
--- a/extensions/renderer/bindings/test_js_runner.cc
+++ b/extensions/renderer/bindings/test_js_runner.cc
@@ -4,6 +4,8 @@
 
 #include "extensions/renderer/bindings/test_js_runner.h"
 
+#include <ostream>
+
 #include "base/bind.h"
 #include "extensions/renderer/bindings/api_binding_test_util.h"
 
diff --git a/remoting/client/audio/audio_player_android.cc b/remoting/client/audio/audio_player_android.cc
index a6693269719133..aca53e4f166c24 100644
--- a/remoting/client/audio/audio_player_android.cc
+++ b/remoting/client/audio/audio_player_android.cc
@@ -6,6 +6,7 @@
 
 #include "base/cxx17_backports.h"
 #include "base/logging.h"
+#include "base/time/time.h"
 #include "build/build_config.h"
 
 namespace remoting {
diff --git a/sql/recover_module/btree.cc b/sql/recover_module/btree.cc
index 9ecaafe8a34ce5..cc9420e5c05c0f 100644
--- a/sql/recover_module/btree.cc
+++ b/sql/recover_module/btree.cc
@@ -6,6 +6,7 @@
 
 #include <algorithm>
 #include <limits>
+#include <ostream>
 #include <type_traits>
 
 #include "base/check_op.h"
diff --git a/sql/recover_module/btree.h b/sql/recover_module/btree.h
index d76d076bf60c78..eaa087a5c52bed 100644
--- a/sql/recover_module/btree.h
+++ b/sql/recover_module/btree.h
@@ -6,6 +6,7 @@
 #define SQL_RECOVER_MODULE_BTREE_H_
 
 #include <cstdint>
+#include <ostream>
 
 #include "base/check.h"
 #include "base/sequence_checker.h"
diff --git a/sql/recover_module/cursor.cc b/sql/recover_module/cursor.cc
index 0029ff92952c7c..4f827edf1b446b 100644
--- a/sql/recover_module/cursor.cc
+++ b/sql/recover_module/cursor.cc
@@ -4,6 +4,8 @@
 
 #include "sql/recover_module/cursor.h"
 
+#include <ostream>
+
 #include "base/containers/span.h"
 #include "sql/recover_module/table.h"
 
diff --git a/sql/recover_module/module.cc b/sql/recover_module/module.cc
index 1804bf39e3336e..b1cc5525f9b7cc 100644
--- a/sql/recover_module/module.cc
+++ b/sql/recover_module/module.cc
@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <cstdint>
+#include <ostream>
 #include <string>
 #include <utility>
 #include <vector>
diff --git a/sql/recover_module/pager.h b/sql/recover_module/pager.h
index 0e388ddc3b00ec..5976d21679e660 100644
--- a/sql/recover_module/pager.h
+++ b/sql/recover_module/pager.h
@@ -7,6 +7,7 @@
 
 #include <cstdint>
 #include <memory>
+#include <ostream>
 
 #include "base/check_op.h"
 #include "base/sequence_checker.h"
diff --git a/sql/recover_module/parsing.cc b/sql/recover_module/parsing.cc
index bbcf0b20b9c368..6e359984afc97b 100644
--- a/sql/recover_module/parsing.cc
+++ b/sql/recover_module/parsing.cc
@@ -5,6 +5,7 @@
 #include "sql/recover_module/parsing.h"
 
 #include <cstddef>
+#include <ostream>
 #include <tuple>
 #include <utility>
 
diff --git a/sql/recover_module/payload.cc b/sql/recover_module/payload.cc
index 282a4320178be1..461ec557c07c88 100644
--- a/sql/recover_module/payload.cc
+++ b/sql/recover_module/payload.cc
@@ -8,6 +8,7 @@
 #include <algorithm>
 #include <cstddef>
 #include <limits>
+#include <ostream>
 #include <type_traits>
 
 #include "base/check_op.h"
diff --git a/sql/recover_module/payload.h b/sql/recover_module/payload.h
index 9ea8f6e16b5f48..6deedacacdb179 100644
--- a/sql/recover_module/payload.h
+++ b/sql/recover_module/payload.h
@@ -6,6 +6,7 @@
 #define SQL_RECOVER_MODULE_PAYLOAD_H_
 
 #include <cstdint>
+#include <ostream>
 #include <vector>
 
 #include "base/check_op.h"
diff --git a/sql/recover_module/record.cc b/sql/recover_module/record.cc
index f85def5944f53c..ff1ddf4c15e923 100644
--- a/sql/recover_module/record.cc
+++ b/sql/recover_module/record.cc
@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <limits>
+#include <ostream>
 #include <type_traits>
 
 #include "base/check_op.h"
diff --git a/ui/message_center/lock_screen/fake_lock_screen_controller.cc b/ui/message_center/lock_screen/fake_lock_screen_controller.cc
index 2be3b3b6ea1cd8..6725b4d65f0e56 100644
--- a/ui/message_center/lock_screen/fake_lock_screen_controller.cc
+++ b/ui/message_center/lock_screen/fake_lock_screen_controller.cc
@@ -4,6 +4,8 @@
 
 #include "ui/message_center/lock_screen/fake_lock_screen_controller.h"
 
+#include <ostream>
+
 namespace message_center {
 
 FakeLockScreenController::FakeLockScreenController() = default;
diff --git a/url/origin.cc b/url/origin.cc
index ef692624910e2b..58c454d617b77b 100644
--- a/url/origin.cc
+++ b/url/origin.cc
@@ -7,6 +7,7 @@
 #include <stdint.h>
 
 #include <algorithm>
+#include <ostream>
 #include <vector>
 
 #include "base/base64.h"