Remove many superfluous STL includes in headers.

Use grep to check for obviously unneeded includes. e.g. headers that
include <vector> but does not contain "std::vector".

Change-Id: I43a9e9f01e072fd495918d28ca4cdad5cfa0294c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3354400Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78613}

include/cppgc/default-platform.h

@@ -6,7 +6,6 @@
 #define INCLUDE_CPPGC_DEFAULT_PLATFORM_H_
 
 #include <memory>
-#include <vector>
 
 #include "cppgc/platform.h"
 #include "libplatform/libplatform.h"

include/v8-isolate.h

@@ -10,7 +10,6 @@
 
 #include <memory>
 #include <utility>
-#include <vector>
 
 #include "cppgc/common.h"
 #include "v8-array-buffer.h"       // NOLINT(build/include_directory)

include/v8-snapshot.h

@@ -5,8 +5,6 @@
 #ifndef INCLUDE_V8_SNAPSHOT_H_
 #define INCLUDE_V8_SNAPSHOT_H_
 
-#include <vector>
-
 #include "v8-internal.h"      // NOLINT(build/include_directory)
 #include "v8-local-handle.h"  // NOLINT(build/include_directory)
 #include "v8config.h"         // NOLINT(build/include_directory)

include/v8-traced-handle.h

@@ -11,10 +11,8 @@
 
 #include <atomic>
 #include <memory>
-#include <string>
 #include <type_traits>
 #include <utility>
-#include <vector>
 
 #include "v8-internal.h"            // NOLINT(build/include_directory)
 #include "v8-local-handle.h"        // NOLINT(build/include_directory)

include/v8.h

@@ -19,7 +19,6 @@
 #include <stdint.h>
 
 #include <memory>
-#include <vector>
 
 #include "cppgc/common.h"
 #include "v8-array-buffer.h"       // NOLINT(build/include_directory)

src/asmjs/asm-parser.h

@@ -6,7 +6,6 @@
 #define V8_ASMJS_ASM_PARSER_H_
 
 #include <memory>
-#include <string>
 
 #include "src/asmjs/asm-scanner.h"
 #include "src/asmjs/asm-types.h"

src/base/vlq-base64.h

@@ -5,7 +5,8 @@
 #ifndef V8_BASE_VLQ_BASE64_H_
 #define V8_BASE_VLQ_BASE64_H_
 
-#include <string>
+#include <stddef.h>
+#include <stdint.h>
 
 #include "src/base/base-export.h"
 

src/codegen/arm/assembler-arm.h

@@ -43,7 +43,6 @@
 #include <stdio.h>
 
 #include <memory>
-#include <vector>
 
 #include "src/base/numbers/double.h"
 #include "src/base/small-vector.h"

src/codegen/arm64/assembler-arm64.h

@@ -6,10 +6,8 @@
 #define V8_CODEGEN_ARM64_ASSEMBLER_ARM64_H_
 
 #include <deque>
-#include <list>
 #include <map>
 #include <memory>
-#include <vector>
 
 #include "src/base/optional.h"
 #include "src/codegen/arm64/constants-arm64.h"

src/codegen/arm64/macro-assembler-arm64.h

@@ -9,8 +9,6 @@
 #ifndef V8_CODEGEN_ARM64_MACRO_ASSEMBLER_ARM64_H_
 #define V8_CODEGEN_ARM64_MACRO_ASSEMBLER_ARM64_H_
 
-#include <vector>
-
 #include "src/base/bits.h"
 #include "src/codegen/arm64/assembler-arm64.h"
 #include "src/codegen/bailout-reason.h"

src/codegen/external-reference-table.h

@@ -5,8 +5,6 @@
 #ifndef V8_CODEGEN_EXTERNAL_REFERENCE_TABLE_H_
 #define V8_CODEGEN_EXTERNAL_REFERENCE_TABLE_H_
 
-#include <vector>
-
 #include "src/builtins/accessors.h"
 #include "src/builtins/builtins.h"
 #include "src/codegen/external-reference.h"

src/compiler-dispatcher/lazy-compile-dispatcher.h

@@ -6,7 +6,6 @@
 #define V8_COMPILER_DISPATCHER_LAZY_COMPILE_DISPATCHER_H_
 
 #include <cstdint>
-#include <map>
 #include <memory>
 #include <unordered_set>
 #include <utility>

src/compiler/backend/instruction.h

@@ -5,10 +5,8 @@
 #ifndef V8_COMPILER_BACKEND_INSTRUCTION_H_
 #define V8_COMPILER_BACKEND_INSTRUCTION_H_
 
-#include <deque>
 #include <iosfwd>
 #include <map>
-#include <set>
 
 #include "src/base/compiler-specific.h"
 #include "src/base/numbers/double.h"

src/compiler/effect-control-linearizer.h

@@ -5,8 +5,6 @@
 #ifndef V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
 #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
 
-#include <vector>
-
 #include "src/handles/handles.h"
 
 namespace v8 {

src/compiler/property-access-builder.h

@@ -5,8 +5,6 @@
 #ifndef V8_COMPILER_PROPERTY_ACCESS_BUILDER_H_
 #define V8_COMPILER_PROPERTY_ACCESS_BUILDER_H_
 
-#include <vector>
-
 #include "src/base/optional.h"
 #include "src/codegen/machine-type.h"
 #include "src/compiler/js-heap-broker.h"

src/compiler/zone-stats.h

@@ -6,7 +6,6 @@
 #define V8_COMPILER_ZONE_STATS_H_
 
 #include <map>
-#include <set>
 #include <vector>
 
 #include "src/common/globals.h"

src/debug/debug-scopes.h

@@ -5,8 +5,6 @@
 #ifndef V8_DEBUG_DEBUG_SCOPES_H_
 #define V8_DEBUG_DEBUG_SCOPES_H_
 
-#include <vector>
-
 #include "src/debug/debug-frames.h"
 #include "src/parsing/parse-info.h"
 

src/debug/interface-types.h

@@ -6,8 +6,6 @@
 #define V8_DEBUG_INTERFACE_TYPES_H_
 
 #include <cstdint>
-#include <string>
-#include <vector>
 
 #include "include/v8-function-callback.h"
 #include "include/v8-local-handle.h"

src/debug/wasm/gdb-server/packet.h

@@ -6,7 +6,7 @@
 #define V8_DEBUG_WASM_GDB_SERVER_PACKET_H_
 
 #include <string>
-#include <vector>
+
 #include "src/base/macros.h"
 
 namespace v8 {

src/debug/wasm/gdb-server/transport.h

@@ -6,7 +6,7 @@
 #define V8_DEBUG_WASM_GDB_SERVER_TRANSPORT_H_
 
 #include <sstream>
-#include <vector>
+
 #include "src/base/macros.h"
 #include "src/debug/wasm/gdb-server/gdb-remote-util.h"
 
@@ -31,7 +31,6 @@ typedef int socklen_t;
 #include <sys/select.h>
 #include <sys/socket.h>
 #include <unistd.h>
-#include <string>
 
 typedef int SocketHandle;
 

src/execution/futex-emulation.h

@@ -7,8 +7,6 @@
 
 #include <stdint.h>
 
-#include <map>
-
 #include "include/v8-persistent-handle.h"
 #include "src/base/atomicops.h"
 #include "src/base/lazy-instance.h"

src/flags/flags.h

@@ -5,8 +5,6 @@
 #ifndef V8_FLAGS_FLAGS_H_
 #define V8_FLAGS_FLAGS_H_
 
-#include <vector>
-
 #include "src/common/globals.h"
 
 namespace v8 {

src/heap/code-object-registry.h

@@ -5,7 +5,6 @@
 #ifndef V8_HEAP_CODE_OBJECT_REGISTRY_H_
 #define V8_HEAP_CODE_OBJECT_REGISTRY_H_
 
-#include <set>
 #include <vector>
 
 #include "src/base/macros.h"

src/heap/heap.h

@@ -7,7 +7,6 @@
 
 #include <atomic>
 #include <cmath>
-#include <map>
 #include <memory>
 #include <unordered_map>
 #include <unordered_set>

src/heap/invalidated-slots-inl.h

@@ -5,8 +5,6 @@
 #ifndef V8_HEAP_INVALIDATED_SLOTS_INL_H_
 #define V8_HEAP_INVALIDATED_SLOTS_INL_H_
 
-#include <map>
-
 #include "src/heap/invalidated-slots.h"
 #include "src/heap/spaces.h"
 #include "src/objects/objects-inl.h"

src/heap/local-factory.h

@@ -5,9 +5,6 @@
 #ifndef V8_HEAP_LOCAL_FACTORY_H_
 #define V8_HEAP_LOCAL_FACTORY_H_
 
-#include <map>
-#include <vector>
-
 #include "src/base/logging.h"
 #include "src/common/globals.h"
 #include "src/handles/handles.h"

src/heap/marking-worklist-inl.h

@@ -5,7 +5,6 @@
 #define V8_HEAP_MARKING_WORKLIST_INL_H_
 
 #include <unordered_map>
-#include <vector>
 
 #include "src/heap/cppgc-js/cpp-marking-state-inl.h"
 #include "src/heap/marking-worklist.h"

src/heap/new-spaces.h

@@ -6,7 +6,6 @@
 #define V8_HEAP_NEW_SPACES_H_
 
 #include <atomic>
-#include <map>
 #include <memory>
 
 #include "src/base/macros.h"

src/heap/spaces.h

@@ -7,7 +7,6 @@
 
 #include <atomic>
 #include <memory>
-#include <vector>
 
 #include "src/base/iterator.h"
 #include "src/base/macros.h"

src/heap/sweeper.h

@@ -5,7 +5,6 @@
 #ifndef V8_HEAP_SWEEPER_H_
 #define V8_HEAP_SWEEPER_H_
 
-#include <deque>
 #include <map>
 #include <vector>
 

src/inspector/v8-runtime-agent-impl.h

@@ -32,11 +32,9 @@
 #define V8_INSPECTOR_V8_RUNTIME_AGENT_IMPL_H_
 
 #include <memory>
-#include <set>
 #include <unordered_map>
 
 #include "include/v8-persistent-handle.h"
-// #include "include/v8-function-callback.h"
 #include "src/base/macros.h"
 #include "src/inspector/protocol/Forward.h"
 #include "src/inspector/protocol/Runtime.h"

src/interpreter/bytecodes.h

@@ -8,7 +8,6 @@
 #include <cstdint>
 #include <iosfwd>
 #include <string>
-#include <vector>
 
 #include "src/common/globals.h"
 #include "src/interpreter/bytecode-operands.h"

src/objects/value-serializer.h

@@ -6,7 +6,6 @@
 #define V8_OBJECTS_VALUE_SERIALIZER_H_
 
 #include <cstdint>
-#include <vector>
 
 #include "include/v8-value-serializer.h"
 #include "src/base/compiler-specific.h"

src/parsing/parse-info.h

@@ -5,9 +5,7 @@
 #ifndef V8_PARSING_PARSE_INFO_H_
 #define V8_PARSING_PARSE_INFO_H_
 
-#include <map>
 #include <memory>
-#include <vector>
 
 #include "src/base/bit-field.h"
 #include "src/base/export-template.h"

src/profiler/profiler-listener.h

@@ -6,7 +6,6 @@
 #define V8_PROFILER_PROFILER_LISTENER_H_
 
 #include <memory>
-#include <vector>
 
 #include "include/v8-profiler.h"
 #include "src/logging/code-events.h"

src/snapshot/serializer.h

@@ -5,8 +5,6 @@
 #ifndef V8_SNAPSHOT_SERIALIZER_H_
 #define V8_SNAPSHOT_SERIALIZER_H_
 
-#include <map>
-
 #include "src/codegen/external-reference-encoder.h"
 #include "src/common/assert-scope.h"
 #include "src/execution/isolate.h"

src/snapshot/snapshot.h

@@ -5,6 +5,8 @@
 #ifndef V8_SNAPSHOT_SNAPSHOT_H_
 #define V8_SNAPSHOT_SNAPSHOT_H_
 
+#include <vector>
+
 #include "include/v8-snapshot.h"  // For StartupData.
 #include "src/common/assert-scope.h"
 #include "src/common/globals.h"

src/torque/declaration-visitor.h

@@ -5,7 +5,6 @@
 #ifndef V8_TORQUE_DECLARATION_VISITOR_H_
 #define V8_TORQUE_DECLARATION_VISITOR_H_
 
-#include <set>
 #include <string>
 
 #include "src/base/macros.h"

src/torque/kythe-data.h

@@ -5,8 +5,6 @@
 #ifndef V8_TORQUE_KYTHE_DATA_H_
 #define V8_TORQUE_KYTHE_DATA_H_
 
-#include <map>
-
 #include "src/torque/ast.h"
 #include "src/torque/contextual.h"
 #include "src/torque/global-context.h"

src/torque/type-visitor.h

@@ -5,8 +5,6 @@
 #ifndef V8_TORQUE_TYPE_VISITOR_H_
 #define V8_TORQUE_TYPE_VISITOR_H_
 
-#include <string>
-
 #include "src/torque/ast.h"
 #include "src/torque/types.h"
 

src/torque/types.h

@@ -6,7 +6,6 @@
 #define V8_TORQUE_TYPES_H_
 
 #include <algorithm>
-#include <map>
 #include <set>
 #include <string>
 #include <vector>

src/wasm/streaming-decoder.h

@@ -10,7 +10,6 @@
 #define V8_WASM_STREAMING_DECODER_H_
 
 #include <memory>
-#include <vector>
 
 #include "src/base/macros.h"
 #include "src/base/vector.h"

src/web-snapshot/web-snapshot.h

@@ -6,7 +6,6 @@
 #define V8_WEB_SNAPSHOT_WEB_SNAPSHOT_H_
 
 #include <queue>
-#include <vector>
 
 #include "src/handles/handles.h"
 #include "src/objects/value-serializer.h"