Unflake CPU profiler tests.

test/cctest/profiler-extension.h

 // Copyright 2013 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 22 matching lines @@
 #include "include/v8-profiler.h"
 
 namespace v8 {
 namespace internal {
 
 class ProfilerExtension : public v8::Extension {
  public:
   ProfilerExtension() : v8::Extension("v8/profiler", kSource) { }
   virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
       v8::Isolate* isolate, v8::Local<v8::String> name);
+  static v8::CpuProfile* last_profile;
+
+ private:
   static void StartProfiling(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void StopProfiling(const v8::FunctionCallbackInfo<v8::Value>& args);
-  static v8::CpuProfile* last_profile;
- private:
+  static void CollectSample(const v8::FunctionCallbackInfo<v8::Value>& args);
+
   static const char* kSource;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif