Start incremental marking on idle notification.

src/v8.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 88 matching lines @@
   static uint32_t Random(Context* context);
   // We use random numbers internally in memory allocation and in the
   // compilers for security. In order to prevent information leaks we
   // use a separate random state for internal random number
   // generation.
   static uint32_t RandomPrivate(Isolate* isolate);
   static Object* FillHeapNumberWithRandom(Object* heap_number,
                                           Context* context);
 
   // Idle notification directly from the API.
-  static bool IdleNotification();
+  static bool IdleNotification(int hint);
 
  private:
   static void InitializeOncePerProcess();
 
   // True if engine is currently running
   static bool is_running_;
   // True if V8 has ever been run
   static bool has_been_setup_;
   // True if error has been signaled for current engine
   // (reset to false if engine is restarted)
@@ skipping 12 matching lines @@
 
 // JavaScript defines two kinds of equality.
 enum EqualityKind { kStrictEquality, kNonStrictEquality };
 
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_V8_H_