Abort running compiler dispatcher tasks under memory pressure

src/compiler-dispatcher/compiler-dispatcher.h

Index: src/compiler-dispatcher/compiler-dispatcher.h
diff --git a/src/compiler-dispatcher/compiler-dispatcher.h b/src/compiler-dispatcher/compiler-dispatcher.h
index f78c12f32aea6f2ce80fbdad1d6942efe98ee9de..38dd5976b38be05b4bec75716a69400f5c68b722 100644
--- a/src/compiler-dispatcher/compiler-dispatcher.h
+++ b/src/compiler-dispatcher/compiler-dispatcher.h
@@ -21,6 +21,7 @@
 namespace v8 {
 
 class Platform;
+enum class MemoryPressureLevel;
 
 namespace internal {
 
@@ -83,6 +84,10 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
   // Aborts all jobs. Blocks if requested.
   void AbortAll(BlockingBehavior blocking);
 
+  // Memory pressure notifications from the embedder.
+  void MemoryPressureNotification(v8::MemoryPressureLevel level,
+                                  bool is_isolate_locked);
+
  private:
   FRIEND_TEST(CompilerDispatcherTest, IdleTaskSmallIdleTime);
   FRIEND_TEST(IgnitionCompilerDispatcherTest, CompileOnBackgroundThread);
@@ -123,6 +128,8 @@ class V8_EXPORT_PRIVATE CompilerDispatcher {
   // as script id is not necessarily unique.
   JobMap jobs_;
 
+  base::AtomicValue<v8::MemoryPressureLevel> memory_pressure_level_;
+
   // The following members can be accessed from any thread. Methods need to hold
   // the mutex |mutex_| while accessing them.
   base::Mutex mutex_;