Revert "Require V8 to be explicitly initialized before an Isolate is created"

src/v8.h

 // Copyright 2011 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.
 
 //
 // Top include for all V8 .cc files.
 //
 
 #ifndef V8_V8_H_
 #define V8_V8_H_
@@ skipping 31 matching lines @@
 #include "src/heap/incremental-marking-inl.h"  // NOLINT
 #include "src/heap/mark-compact-inl.h"         // NOLINT
 #include "src/log-inl.h"  // NOLINT
 #include "src/handles-inl.h"  // NOLINT
 #include "src/types-inl.h"  // NOLINT
 #include "src/zone-inl.h"  // NOLINT
 
 namespace v8 {
 namespace internal {
 
+class Deserializer;
+
 class V8 : public AllStatic {
  public:
   // Global actions.
 
-  static bool Initialize();
+  // If Initialize is called with des == NULL, the initial state is
+  // created from scratch. If a non-null Deserializer is given, the
+  // initial state is created by reading the deserialized data into an
+  // empty heap.
+  static bool Initialize(Deserializer* des);
   static void TearDown();
 
   // Report process out of memory. Implementation found in api.cc.
   static void FatalProcessOutOfMemory(const char* location,
                                       bool take_snapshot = false);
 
   // Allows an entropy source to be provided for use in random number
   // generation.
   static void SetEntropySource(EntropySource source);
   // Support for return-address rewriting profilers.
@@ skipping 26 matching lines @@
 };
 
 
 // JavaScript defines two kinds of 'nil'.
 enum NilValue { kNullValue, kUndefinedValue };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_H_