[Isolates] StatsTable moved to Isolate....

src/compilation-cache.h

 // Copyright 2008 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 68 matching lines @@
   int generations_;  // Number of generations.
   Object** tables_;  // Compilation cache tables - one for each generation.
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationSubCache);
 };
 
 
 // Sub-cache for scripts.
 class CompilationCacheScript : public CompilationSubCache {
  public:
-  explicit CompilationCacheScript(int generations)
-      : CompilationSubCache(generations) { }
+  explicit CompilationCacheScript(int generations);
 
   Handle<SharedFunctionInfo> Lookup(Handle<String> source,
                                     Handle<Object> name,
                                     int line_offset,
                                     int column_offset);
   void Put(Handle<String> source, Handle<SharedFunctionInfo> function_info);
 
  private:
   // Note: Returns a new hash table if operation results in expansion.
   Handle<CompilationCacheTable> TablePut(
       Handle<String> source, Handle<SharedFunctionInfo> function_info);
 
   bool HasOrigin(Handle<SharedFunctionInfo> function_info,
                  Handle<Object> name,
                  int line_offset,
                  int column_offset);
 
+  void* script_histogram_;
+  bool script_histogram_initialized_;
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript);
 };
 
 
 // Sub-cache for eval scripts.
 class CompilationCacheEval: public CompilationSubCache {
  public:
   explicit CompilationCacheEval(int generations)
       : CompilationSubCache(generations) { }
 
@@ skipping 117 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationCache);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILATION_CACHE_H_