cppgc: Add public target to build against

- Fixes includes to be relative to include/ which allows embedders
  to just add V8's include directory to get started.
- Adds public target for the library as "cppgc".

Bug: chromium:1056170
Change-Id: Iec9b644e20016a5d7281275b739821a050fd2540
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2157366Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67278}

BUILD.gn

@@ -301,6 +301,7 @@ config("internal_config_base") {
 
   include_dirs = [
     ".",
+    "include",
     "$target_gen_dir",
   ]
 }
@@ -4116,12 +4117,6 @@ v8_static_library("wee8") {
   ]
 }
 
-v8_static_library("cppgc") {
-  deps = [ ":cppgc_base" ]
-
-  configs = [ ":internal_config" ]
-}
-
 ###############################################################################
 # Executables
 #
@@ -4414,6 +4409,14 @@ if (is_component_build) {
     public_configs = [ ":external_config" ]
   }
 
+  v8_component("cppgc") {
+    public_deps = [ ":cppgc_base" ]
+
+    configs = [ ":internal_config" ]
+
+    public_configs = [ ":external_config" ]
+  }
+
   v8_component("cppgc_for_testing") {
     testonly = true
 
@@ -4446,6 +4449,12 @@ if (is_component_build) {
     public_configs = [ ":external_config" ]
   }
 
+  group("cppgc") {
+    public_deps = [ ":cppgc_base" ]
+
+    public_configs = [ ":external_config" ]
+  }
+
   group("cppgc_for_testing") {
     testonly = true
 

include/cppgc/DEPS

+include_rules = [
+  "-include",
+  "+v8config.h",
+  "+v8-platform.h",
+  "+cppgc",
+  "-src",
+]

include/cppgc/allocation.h

@@ -8,10 +8,10 @@
 #include <stdint.h>
 #include <atomic>
 
-#include "include/cppgc/garbage-collected.h"
-#include "include/cppgc/heap.h"
-#include "include/cppgc/internal/api-constants.h"
-#include "include/cppgc/internal/gc-info.h"
+#include "cppgc/garbage-collected.h"
+#include "cppgc/heap.h"
+#include "cppgc/internal/api-constants.h"
+#include "cppgc/internal/gc-info.h"
 
 namespace cppgc {
 

include/cppgc/garbage-collected.h

@@ -7,11 +7,11 @@
 
 #include <type_traits>
 
-#include "include/cppgc/internal/api-constants.h"
-#include "include/cppgc/macros.h"
-#include "include/cppgc/platform.h"
-#include "include/cppgc/trace-trait.h"
-#include "include/cppgc/type-traits.h"
+#include "cppgc/internal/api-constants.h"
+#include "cppgc/macros.h"
+#include "cppgc/platform.h"
+#include "cppgc/trace-trait.h"
+#include "cppgc/type-traits.h"
 
 namespace cppgc {
 

include/cppgc/heap.h

@@ -7,7 +7,7 @@
 
 #include <memory>
 
-#include "include/v8config.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/accessors.h

@@ -5,7 +5,7 @@
 #ifndef INCLUDE_CPPGC_INTERNAL_ACCESSORS_H_
 #define INCLUDE_CPPGC_INTERNAL_ACCESSORS_H_
 
-#include "include/cppgc/internal/api-constants.h"
+#include "cppgc/internal/api-constants.h"
 
 namespace cppgc {
 

include/cppgc/internal/api-constants.h

@@ -8,7 +8,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "include/v8config.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/finalizer-trait.h

@@ -7,7 +7,7 @@
 
 #include <type_traits>
 
-#include "include/cppgc/type-traits.h"
+#include "cppgc/type-traits.h"
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/gc-info.h

@@ -7,8 +7,8 @@
 
 #include <stdint.h>
 
-#include "include/cppgc/internal/finalizer-trait.h"
-#include "include/v8config.h"
+#include "cppgc/internal/finalizer-trait.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/logging.h

@@ -5,8 +5,8 @@
 #ifndef INCLUDE_CPPGC_INTERNAL_LOGGING_H_
 #define INCLUDE_CPPGC_INTERNAL_LOGGING_H_
 
-#include "include/cppgc/source-location.h"
-#include "include/v8config.h"
+#include "cppgc/source-location.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/persistent-node.h

@@ -9,9 +9,9 @@
 #include <memory>
 #include <vector>
 
-#include "include/cppgc/internal/logging.h"
-#include "include/cppgc/trace-trait.h"
-#include "include/v8config.h"
+#include "cppgc/internal/logging.h"
+#include "cppgc/trace-trait.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 

include/cppgc/internal/pointer-policies.h

@@ -8,8 +8,8 @@
 #include <cstdint>
 #include <type_traits>
 
-#include "include/cppgc/source-location.h"
-#include "include/v8config.h"
+#include "cppgc/source-location.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/internal/prefinalizer-handler.h

@@ -5,8 +5,8 @@
 #ifndef INCLUDE_CPPGC_INTERNAL_PREFINALIZER_HANDLER_H_
 #define INCLUDE_CPPGC_INTERNAL_PREFINALIZER_HANDLER_H_
 
-#include "include/cppgc/heap.h"
-#include "include/cppgc/liveness-broker.h"
+#include "cppgc/heap.h"
+#include "cppgc/liveness-broker.h"
 
 namespace cppgc {
 namespace internal {

include/cppgc/liveness-broker.h

@@ -5,10 +5,10 @@
 #ifndef INCLUDE_CPPGC_LIVENESS_BROKER_H_
 #define INCLUDE_CPPGC_LIVENESS_BROKER_H_
 
-#include "include/cppgc/heap.h"
-#include "include/cppgc/member.h"
-#include "include/cppgc/trace-trait.h"
-#include "include/v8config.h"
+#include "cppgc/heap.h"
+#include "cppgc/member.h"
+#include "cppgc/trace-trait.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 

include/cppgc/member.h

@@ -9,9 +9,9 @@
 #include <cstddef>
 #include <type_traits>
 
-#include "include/cppgc/internal/pointer-policies.h"
-#include "include/cppgc/type-traits.h"
-#include "include/v8config.h"
+#include "cppgc/internal/pointer-policies.h"
+#include "cppgc/type-traits.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 

include/cppgc/persistent.h

@@ -7,12 +7,12 @@
 
 #include <type_traits>
 
-#include "include/cppgc/internal/persistent-node.h"
-#include "include/cppgc/internal/pointer-policies.h"
-#include "include/cppgc/source-location.h"
-#include "include/cppgc/type-traits.h"
-#include "include/cppgc/visitor.h"
-#include "include/v8config.h"
+#include "cppgc/internal/persistent-node.h"
+#include "cppgc/internal/pointer-policies.h"
+#include "cppgc/source-location.h"
+#include "cppgc/type-traits.h"
+#include "cppgc/visitor.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 namespace cppgc {
 namespace internal {

include/cppgc/platform.h

@@ -5,8 +5,8 @@
 #ifndef INCLUDE_CPPGC_PLATFORM_H_
 #define INCLUDE_CPPGC_PLATFORM_H_
 
-#include "include/v8-platform.h"
-#include "include/v8config.h"
+#include "v8-platform.h"  // NOLINT(build/include)
+#include "v8config.h"     // NOLINT(build/include)
 
 namespace cppgc {
 

include/cppgc/prefinalizer.h

@@ -5,11 +5,11 @@
 #ifndef INCLUDE_CPPGC_PREFINALIZER_H_
 #define INCLUDE_CPPGC_PREFINALIZER_H_
 
-#include "include/cppgc/internal/accessors.h"
-#include "include/cppgc/internal/compiler-specific.h"
-#include "include/cppgc/internal/prefinalizer-handler.h"
-#include "include/cppgc/liveness-broker.h"
-#include "include/cppgc/macros.h"
+#include "cppgc/internal/accessors.h"
+#include "cppgc/internal/compiler-specific.h"
+#include "cppgc/internal/prefinalizer-handler.h"
+#include "cppgc/liveness-broker.h"
+#include "cppgc/macros.h"
 
 namespace cppgc {
 

include/cppgc/source-location.h

@@ -7,7 +7,7 @@
 
 #include <string>
 
-#include "include/v8config.h"
+#include "v8config.h"  // NOLINT(build/include)
 
 #if defined(__has_builtin)
 #define CPPGC_SUPPORTS_SOURCE_LOCATION                                   \

include/cppgc/trace-trait.h

@@ -6,7 +6,7 @@
 #define V8_HEAP_CPPGC_TRACE_TRAIT_H_
 
 #include <type_traits>
-#include "include/cppgc/type-traits.h"
+#include "cppgc/type-traits.h"
 
 namespace cppgc {
 

include/cppgc/visitor.h

@@ -5,13 +5,13 @@
 #ifndef INCLUDE_CPPGC_VISITOR_H_
 #define INCLUDE_CPPGC_VISITOR_H_
 
-#include "include/cppgc/garbage-collected.h"
-#include "include/cppgc/internal/logging.h"
-#include "include/cppgc/internal/pointer-policies.h"
-#include "include/cppgc/liveness-broker.h"
-#include "include/cppgc/member.h"
-#include "include/cppgc/source-location.h"
-#include "include/cppgc/trace-trait.h"
+#include "cppgc/garbage-collected.h"
+#include "cppgc/internal/logging.h"
+#include "cppgc/internal/pointer-policies.h"
+#include "cppgc/liveness-broker.h"
+#include "cppgc/member.h"
+#include "cppgc/source-location.h"
+#include "cppgc/trace-trait.h"
 
 namespace cppgc {
 namespace internal {