Fix some spelling mistakes in comments.

net/log/net_log_event_type_list.h

Index: net/log/net_log_event_type_list.h
diff --git a/net/log/net_log_event_type_list.h b/net/log/net_log_event_type_list.h
index 60f42a32e066cbe033b836c74e250a68bb153b46..d46cbfff788f43d72cf635027519cdedd7929313 100644
--- a/net/log/net_log_event_type_list.h
+++ b/net/log/net_log_event_type_list.h
@@ -728,7 +728,7 @@ EVENT_TYPE(BACKUP_CONNECT_JOB_CREATED)
 //
 // The event parameters are:
 //   {
-//      "source_dependency": <Source identifer for the connect job we are
+//      "source_dependency": <Source identifier for the connect job we are
 //                            bound to>,
 //   }
 EVENT_TYPE(SOCKET_POOL_BOUND_TO_CONNECT_JOB)
@@ -868,7 +868,7 @@ EVENT_TYPE(HTTP_CACHE_WRITE_DATA)
 //   }
 EVENT_TYPE(HTTP_CACHE_CALLER_REQUEST_HEADERS)
 
-// Signal a significant change on the flow of the satate machine: start again
+// Signal a significant change on the flow of the state machine: start again
 // from scratch or create a new network request for byte-range operations.
 // There are no parameters.
 EVENT_TYPE(HTTP_CACHE_RESTART_PARTIAL_REQUEST)
@@ -1681,7 +1681,7 @@ EVENT_TYPE(QUIC_SESSION_PUBLIC_RESET_PACKET_RECEIVED)
 //   }
 EVENT_TYPE(QUIC_SESSION_VERSION_NEGOTIATION_PACKET_RECEIVED)
 
-// Session sucessfully negotiated QUIC version number.
+// Session successfully negotiated QUIC version number.
 //   {
 //     "version": <String of QUIC version negotiated with the server>,
 //   }
@@ -1780,8 +1780,8 @@ EVENT_TYPE(AUTH_SERVER)
 // HTML5 Application Cache
 // ------------------------------------------------------------------------
 
-// This event is emitted whenever a request is satistifed directly from
-// the appache.
+// This event is emitted whenever a request is satisfied directly from
+// the appcache.
 EVENT_TYPE(APPCACHE_DELIVERING_CACHED_RESPONSE)
 
 // This event is emitted whenever the appcache uses a fallback response.
@@ -1938,7 +1938,7 @@ EVENT_TYPE(CHROME_EXTENSION_ABORTED_REQUEST)
 //  }
 EVENT_TYPE(CHROME_EXTENSION_REDIRECTED_REQUEST)
 
-// This event is created when a Chrome extension modifieds the headers of a
+// This event is created when a Chrome extension modifies the headers of a
 // request.
 //
 //  {
@@ -2034,7 +2034,7 @@ EVENT_TYPE(CERT_VERIFIER_JOB)
 //
 // The event parameters are:
 //   {
-//      "source_dependency": <Source identifer for the job we are bound to>,
+//      "source_dependency": <Source identifier for the job we are bound to>,
 //   }
 EVENT_TYPE(CERT_VERIFIER_REQUEST_BOUND_TO_JOB)
 
@@ -2061,7 +2061,7 @@ EVENT_TYPE(DOWNLOAD_URL_REQUEST)
 // ------------------------------------------------------------------------
 
 // This event lives for as long as a download item is active.
-// The BEGIN event occurs right after constrction, and has the following
+// The BEGIN event occurs right after construction, and has the following
 // parameters:
 //   {
 //     "type": <New/history/save page>,
@@ -2188,7 +2188,7 @@ EVENT_TYPE(DOWNLOAD_FILE_DELETED)
 //   {
 //     "operation": <open, write, close, etc>,
 //     "net_error": <net::Error code>,
-//     "os_error": <OS depedent error code>
+//     "os_error": <OS dependent error code>
 //     "interrupt_reason": <Download interrupt reason>
 //   }
 EVENT_TYPE(DOWNLOAD_FILE_ERROR)