Made Isolate a mandatory parameter for everything Handle-related.

src/handles.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 106 matching lines @@
 // garbage collector will no longer track the object stored in the
 // handle and may deallocate it.  The behavior of accessing a handle
 // for which the handle scope has been deleted is undefined.
 class HandleScope {
  public:
   explicit inline HandleScope(Isolate* isolate);
 
   inline ~HandleScope();
 
   // Counts the number of allocated handles.
-  static int NumberOfHandles();
+  static int NumberOfHandles(Isolate* isolate);
 
   // Creates a new handle with the given value.
   template <typename T>
-  static inline T** CreateHandle(T* value, Isolate* isolate);
+  static inline T** CreateHandle(Isolate* isolate, T* value);
 
   // Deallocates any extensions used by the current scope.
   static void DeleteExtensions(Isolate* isolate);
 
-  static Address current_next_address();
-  static Address current_limit_address();
-  static Address current_level_address();
+  static Address current_next_address(Isolate* isolate);
+  static Address current_limit_address(Isolate* isolate);
+  static Address current_level_address(Isolate* isolate);
 
   // Closes the HandleScope (invalidating all handles
   // created in the scope of the HandleScope) and returns
   // a Handle backed by the parent scope holding the
   // value of the argument handle.
   template <typename T>
   Handle<T> CloseAndEscape(Handle<T> handle_value);
 
   Isolate* isolate() { return isolate_; }
 
  private:
   // Prevent heap allocation or illegal handle scopes.
   HandleScope(const HandleScope&);
   void operator=(const HandleScope&);
   void* operator new(size_t size);
   void operator delete(void* size_t);
 
   inline void CloseScope();
 
   Isolate* isolate_;
   Object** prev_next_;
   Object** prev_limit_;
 
   // Extend the handle scope making room for more handles.
-  static internal::Object** Extend();
+  static internal::Object** Extend(Isolate* isolate);
 
   // Zaps the handles in the half-open interval [start, end).
   static void ZapRange(internal::Object** start, internal::Object** end);
 
   friend class v8::internal::DeferredHandles;
   friend class v8::HandleScope;
   friend class v8::internal::HandleScopeImplementer;
   friend class v8::ImplementationUtilities;
   friend class v8::internal::Isolate;
 };
@@ skipping 49 matching lines @@
                                 Handle<Object> key,
                                 Handle<Object> value,
                                 PropertyAttributes attributes);
 
 Handle<Object> ForceDeleteProperty(Handle<JSObject> object,
                                    Handle<Object> key);
 
 Handle<Object> GetProperty(Handle<JSReceiver> obj,
                            const char* name);
 
-Handle<Object> GetProperty(Handle<Object> obj,
+Handle<Object> GetProperty(Isolate* isolate,
+                           Handle<Object> obj,
                            Handle<Object> key);
 
 Handle<Object> GetPropertyWithInterceptor(Handle<JSObject> receiver,
                                           Handle<JSObject> holder,
                                           Handle<String> name,
                                           PropertyAttributes* attributes);
 
 Handle<Object> SetPrototype(Handle<JSObject> obj, Handle<Object> value);
 
-Handle<Object> LookupSingleCharacterStringFromCode(uint32_t index);
+Handle<Object> LookupSingleCharacterStringFromCode(Isolate* isolate,
+                                                   uint32_t index);
 
 Handle<JSObject> Copy(Handle<JSObject> obj);
 
 Handle<Object> SetAccessor(Handle<JSObject> obj, Handle<AccessorInfo> info);
 
 Handle<FixedArray> AddKeysFromJSArray(Handle<FixedArray>,
                                       Handle<JSArray> array);
 
 // Get the JS object corresponding to the given script; create it
 // if none exists.
@@ skipping 65 matching lines @@
 Handle<ObjectHashSet> ObjectHashSetRemove(Handle<ObjectHashSet> table,
                                           Handle<Object> key);
 
 Handle<ObjectHashTable> PutIntoObjectHashTable(Handle<ObjectHashTable> table,
                                                Handle<Object> key,
                                                Handle<Object> value);
 
 class NoHandleAllocation BASE_EMBEDDED {
  public:
 #ifndef DEBUG
-  NoHandleAllocation() {}
+  explicit NoHandleAllocation(Isolate* isolate) {}
   ~NoHandleAllocation() {}
 #else
-  inline NoHandleAllocation();
+  explicit inline NoHandleAllocation(Isolate* isolate);
   inline ~NoHandleAllocation();
  private:
+  Isolate* isolate_;
   int level_;
   bool active_;
 #endif
 };
 
 
 class NoHandleDereference BASE_EMBEDDED {
  public:
 #ifndef DEBUG
-  NoHandleDereference() {}
+  explicit NoHandleDereference(Isolate* isolate) {}
   ~NoHandleDereference() {}
 #else
-  inline NoHandleDereference();
+  explicit inline NoHandleDereference(Isolate* isolate);
   inline ~NoHandleDereference();
  private:
+  Isolate* isolate_;
   bool old_state_;
 #endif
 };
 
 
 class AllowHandleDereference BASE_EMBEDDED {
  public:
 #ifndef DEBUG
-  AllowHandleDereference() {}
+  explicit AllowHandleDereference(Isolate* isolate) {}
   ~AllowHandleDereference() {}
 #else
-  inline AllowHandleDereference();
+  explicit inline AllowHandleDereference(Isolate* isolate);
   inline ~AllowHandleDereference();
  private:
+  Isolate* isolate_;
   bool old_state_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HANDLES_H_