| Index: base/trace_event/winheap_dump_provider_win.cc
 | 
| diff --git a/base/trace_event/winheap_dump_provider_win.cc b/base/trace_event/winheap_dump_provider_win.cc
 | 
| index f918aafad196fce937b98d1f199e5fe00c19d0cb..80956369cca218a4247a1e36fe873ca9da963670 100644
 | 
| --- a/base/trace_event/winheap_dump_provider_win.cc
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| +++ b/base/trace_event/winheap_dump_provider_win.cc
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| @@ -9,6 +9,7 @@
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|  #include "base/debug/profiler.h"
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|  #include "base/strings/string_util.h"
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|  #include "base/trace_event/process_memory_dump.h"
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| +#include "base/win/windows_version.h"
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|  
 | 
|  namespace base {
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|  namespace trace_event {
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| @@ -55,7 +56,13 @@
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|    //     then chaos should be assumed. This flakyness is acceptable for tracing.
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|    //   - The MSDN page for HeapLock says: "If the HeapLock function is called on
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|    //     a heap created with the HEAP_NO_SERIALIZATION flag, the results are
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| -  //     undefined."
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| +  //     undefined.". This is a problem on Windows XP where some system DLLs are
 | 
| +  //     known for creating heaps with this particular flag. For this reason
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| +  //     this function should be disabled on XP.
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| +  //
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| +  // See https://crbug.com/487291 for more details about this.
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| +  if (base::win::GetVersion() < base::win::VERSION_VISTA)
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| +    return false;
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|  
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|    // Disable this dump provider for the SyzyASan instrumented build
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|    // because they don't support the heap walking functions yet.
 | 
| 
 |