Make serializer non-static.

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 "../include/v8-debug.h"
 #include "allocation.h"
 #include "assert-scope.h"
@@ skipping 945 matching lines @@
     ASSERT(slot < Internals::kNumIsolateDataSlots);
     embedder_data_[slot] = data;
   }
   void* GetData(uint32_t slot) {
     ASSERT(slot < Internals::kNumIsolateDataSlots);
     return embedder_data_[slot];
   }
 
   THREAD_LOCAL_TOP_ACCESSOR(LookupResult*, top_lookup_result)
 
+  void enable_serializer() {
+    // The serializer can only be enabled before the isolate init.
+    ASSERT(state_ != INITIALIZED);
+    serializer_enabled_ = true;
+  }
+
+  bool serializer_enabled() const { return serializer_enabled_; }
+
   bool IsDead() { return has_fatal_error_; }
   void SignalFatalError() { has_fatal_error_ = true; }
 
-  bool use_crankshaft() const { return use_crankshaft_; }
+  bool use_crankshaft() const;
 
   bool initialized_from_snapshot() { return initialized_from_snapshot_; }
 
   double time_millis_since_init() {
     return OS::TimeCurrentMillis() - time_millis_at_init_;
   }
 
   DateCache* date_cache() {
     return date_cache_;
   }
@@ skipping 245 matching lines @@
   StaticResource<ConsStringIteratorOp> objects_string_iterator_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize>
       regexp_macro_assembler_canonicalize_;
   RegExpStack* regexp_stack_;
   DateCache* date_cache_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_;
   CodeStubInterfaceDescriptor* code_stub_interface_descriptors_;
   CallInterfaceDescriptor* call_descriptors_;
   RandomNumberGenerator* random_number_generator_;
 
+  // Whether the isolate has been created for snapshotting.
+  bool serializer_enabled_;
+
   // True if fatal error has been signaled for this isolate.
   bool has_fatal_error_;
 
-  // True if we are using the Crankshaft optimizing compiler.
-  bool use_crankshaft_;
-
   // True if this isolate was initialized from a snapshot.
   bool initialized_from_snapshot_;
 
   // Time stamp at initialization.
   double time_millis_at_init_;
 
 #ifdef DEBUG
   // A static array of histogram info for each type.
   HistogramInfo heap_histograms_[LAST_TYPE + 1];
   JSObject::SpillInformation js_spill_information_;
@@ skipping 232 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_