Make unittests work in component build

src/compiler/zone-stats.h

 // Copyright 2014 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_COMPILER_ZONE_STATS_H_
 #define V8_COMPILER_ZONE_STATS_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
+#include "src/globals.h"
 #include "src/zone/zone.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-class ZoneStats final {
+class V8_EXPORT_PRIVATE ZoneStats final {
  public:
   class Scope final {
    public:
     explicit Scope(ZoneStats* zone_stats)
         : zone_stats_(zone_stats), zone_(nullptr) {}
     ~Scope() { Destroy(); }
 
     Zone* zone() {
       if (zone_ == nullptr) zone_ = zone_stats_->NewEmptyZone();
       return zone_;
     }
     void Destroy() {
       if (zone_ != nullptr) zone_stats_->ReturnZone(zone_);
       zone_ = nullptr;
     }
 
    private:
     ZoneStats* const zone_stats_;
     Zone* zone_;
     DISALLOW_COPY_AND_ASSIGN(Scope);
   };
 
-  class StatsScope final {
+  class V8_EXPORT_PRIVATE StatsScope final {
    public:
     explicit StatsScope(ZoneStats* zone_stats);
     ~StatsScope();
 
     size_t GetMaxAllocatedBytes();
     size_t GetCurrentAllocatedBytes();
     size_t GetTotalAllocatedBytes();
 
    private:
     friend class ZoneStats;
@@ skipping 31 matching lines @@
   AccountingAllocator* allocator_;
 
   DISALLOW_COPY_AND_ASSIGN(ZoneStats);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ZONE_STATS_H_