| Index: content/common/service_worker/service_worker_status_code.h
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| diff --git a/content/common/service_worker/service_worker_status_code.h b/content/common/service_worker/service_worker_status_code.h
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| index 1e9cdd51a6caccbe555fed48e4ee0d4a119808fc..2a9f0edfb6564afd7dcfe63918feeb87878316c1 100644
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| --- a/content/common/service_worker/service_worker_status_code.h
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| +++ b/content/common/service_worker/service_worker_status_code.h
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| @@ -10,6 +10,8 @@
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|  namespace content {
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|  
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|  // Generic service worker operation statuses.
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| +// This enum is used in UMA histograms, so don't change the order or remove
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| +// entries.
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|  enum ServiceWorkerStatusCode {
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|    // Operation succeeded.
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|    SERVICE_WORKER_OK,
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| @@ -54,6 +56,11 @@ enum ServiceWorkerStatusCode {
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|  
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|    // An error triggered by invalid worker state.
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|    SERVICE_WORKER_ERROR_STATE,
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| +
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| +  // The Service Worker took too long to finish a task.
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| +  SERVICE_WORKER_ERROR_TIMEOUT,
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| +
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| +  SERVICE_WORKER_ERROR_MAX_VALUE
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|  };
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|  
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|  CONTENT_EXPORT const char* ServiceWorkerStatusToString(
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| 
 |