Reland Store OSR'd optimized code on the native context.

src/isolate.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <memory>
 #include <queue>
 
@@ skipping 1146 matching lines @@
   }
 
   interpreter::Interpreter* interpreter() const { return interpreter_; }
 
   AccountingAllocator* allocator() { return allocator_; }
 
   CompilerDispatcherTracer* compiler_dispatcher_tracer() const {
     return compiler_dispatcher_tracer_;
   }
 
+  // Clear all optimized code stored in native contexts.
+  void ClearOSROptimizedCode();
+
+  // Ensure that a particular optimized code is evicted.
+  void EvictOSROptimizedCode(Code* code, const char* reason);
+
   bool IsInAnyContext(Object* object, uint32_t index);
 
   void SetRAILMode(RAILMode rail_mode);
 
   void IsolateInForegroundNotification();
 
   void IsolateInBackgroundNotification();
 
   bool IsIsolateInBackground() { return is_isolate_in_background_; }
 
@@ skipping 505 matching lines @@
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ISOLATE_H_