1 files changed, 34 insertions, 2 deletions

diff --git a/deps/v8/include/cppgc/heap.h b/deps/v8/include/cppgc/heap.h
index a0568d534fb..90046c35055 100644
--- a/deps/v8/include/cppgc/heap.h
+++ b/deps/v8/include/cppgc/heap.h
@@ -6,8 +6,11 @@
 #define INCLUDE_CPPGC_HEAP_H_
 
 #include <memory>
+#include <vector>
 
-#include "include/v8config.h"
+#include "cppgc/common.h"
+#include "cppgc/custom-space.h"
+#include "v8config.h"  // NOLINT(build/include_directory)
 
 namespace cppgc {
 namespace internal {
@@ -16,10 +19,39 @@ class Heap;
 
 class V8_EXPORT Heap {
  public:
-  static std::unique_ptr<Heap> Create();
+  /**
+   * Specifies the stack state the embedder is in.
+   */
+  using StackState = EmbedderStackState;
+
+  struct HeapOptions {
+    static HeapOptions Default() { return {}; }
+
+    /**
+     * Custom spaces added to heap are required to have indices forming a
+     * numbered sequence starting at 0, i.e., their kSpaceIndex must correspond
+     * to the index they reside in the vector.
+     */
+    std::vector<std::unique_ptr<CustomSpaceBase>> custom_spaces;
+  };
+
+  static std::unique_ptr<Heap> Create(HeapOptions = HeapOptions::Default());
 
   virtual ~Heap() = default;
 
+  /**
+   * Forces garbage collection.
+   *
+   * \param source String specifying the source (or caller) triggering a
+   *   forced garbage collection.
+   * \param reason String specifying the reason for the forced garbage
+   *   collection.
+   * \param stack_state The embedder stack state, see StackState.
+   */
+  void ForceGarbageCollectionSlow(
+      const char* source, const char* reason,
+      StackState stack_state = StackState::kMayContainHeapPointers);
+
  private:
   Heap() = default;