| Index: base/process/process_metrics.h | 
| diff --git a/base/process/process_metrics.h b/base/process/process_metrics.h | 
| index 2448a715ace9b5eade7f09524561ffcedb666cc3..4549661e76b01286bc52349d82f94d5add17fe75 100644 | 
| --- a/base/process/process_metrics.h | 
| +++ b/base/process/process_metrics.h | 
| @@ -32,7 +32,7 @@ namespace base { | 
| #if defined(OS_WIN) | 
| struct IoCounters : public IO_COUNTERS { | 
| }; | 
| -#elif defined(OS_POSIX) | 
| +#elif defined(OS_POSIX) || defined(OS_FUCHSIA) | 
| struct IoCounters { | 
| uint64_t ReadOperationCount; | 
| uint64_t WriteOperationCount; | 
|  |