Changes to get rid of dependency on openssl in the dart VM.

vm/isolate.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/thread.h"
 #include "vm/store_buffer.h"
 #include "vm/timer.h"
 
 namespace dart {
 
 // Forward declarations.
 class ApiState;
-class BigintStore;
 class CodeIndexTable;
 class Debugger;
 class HandleScope;
 class HandleVisitor;
 class Heap;
 class LongJump;
 class MessageHandler;
 class Mutex;
 class ObjectPointerVisitor;
 class ObjectStore;
@@ skipping 83 matching lines @@
   void set_long_jump_base(LongJump* value) { long_jump_base_ = value; }
 
   TimerList& timer_list() { return timer_list_; }
 
   Zone* current_zone() const { return current_zone_; }
   void set_current_zone(Zone* zone) { current_zone_ = zone; }
   static intptr_t current_zone_offset() {
     return OFFSET_OF(Isolate, current_zone_);
   }
 
-  BigintStore* bigint_store() const { return bigint_store_; }
-  void set_bigint_store(BigintStore* store) { bigint_store_ = store; }
-
   int32_t no_gc_scope_depth() const {
 #if defined(DEBUG)
     return no_gc_scope_depth_;
 #else
     return 0;
 #endif
   }
 
   void IncrementNoGCScopeDepth() {
 #if defined(DEBUG)
@@ skipping 121 matching lines @@
   ObjectStore* object_store_;
   StackResource* top_resource_;
   RawContext* top_context_;
   Zone* current_zone_;
 #if defined(DEBUG)
   int32_t no_gc_scope_depth_;
   int32_t no_handle_scope_depth_;
   HandleScope* top_handle_scope_;
 #endif
   int32_t random_seed_;
-  BigintStore* bigint_store_;
   uword top_exit_frame_info_;
   void* init_callback_data_;
   Dart_LibraryTagHandler library_tag_handler_;
   ApiState* api_state_;
   StubCode* stub_code_;
   CodeIndexTable* code_index_table_;
   Debugger* debugger_;
   LongJump* long_jump_base_;
   TimerList timer_list_;
   intptr_t ast_node_id_;
   Mutex* mutex_;  // protects stack_limit_ and saved_stack_limit_.
   uword stack_limit_;
   uword saved_stack_limit_;
   MessageHandler* message_handler_;
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateInterruptCallback interrupt_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_