[tracing] Avoid Gcc compilation fail by declaring AddTraceEvent function in Class derived from Plat…

test/cctest/heap/test-incremental-marking.cc

 // Copyright 2015 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.
 
 #include <stdlib.h>
 
 #ifdef __linux__
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
@@ skipping 50 matching lines @@
 
   bool PendingTask() { return task_ != nullptr; }
 
   void PerformTask() {
     Task* task = task_;
     task_ = nullptr;
     task->Run();
     delete task;
   }
 
+  using Platform::AddTraceEvent;
   uint64_t AddTraceEvent(char phase, const uint8_t* categoryEnabledFlag,
                          const char* name, const char* scope, uint64_t id,
                          uint64_t bind_id, int numArgs, const char** argNames,
                          const uint8_t* argTypes, const uint64_t* argValues,
                          unsigned int flags) override {
     return 0;
   }
 
   void UpdateTraceEventDuration(const uint8_t* categoryEnabledFlag,
                                 const char* name, uint64_t handle) override {}
@@ skipping 53 matching lines @@
   CHECK(platform.PendingTask());
   while (platform.PendingTask()) {
     platform.PerformTask();
   }
   CHECK(marking->IsStopped());
   i::V8::SetPlatformForTesting(old_platform);
 }
 
 }  // namespace internal
 }  // namespace v8