4 files changed, 15 insertions, 9 deletions
diff --git a/platform/darwin/src/MGLMetricsManager.h b/platform/darwin/src/MGLMetricsManager.h
index 73756cebed..29fd5c79f8 100644
--- a/platform/darwin/src/MGLMetricsManager.h
+++ b/platform/darwin/src/MGLMetricsManager.h
@@ -7,10 +7,13 @@ typedef NS_ENUM(NSUInteger, MGLMetricType) {
     MGLMetricTypePerformance = 0,
 };
 
+FOUNDATION_EXTERN MGL_EXPORT NSString* MGLStringFromMetricType(MGLMetricType metricType);
+
+@class MGLMetricsManager;
 @protocol MGLMetricsDelegate <NSObject>
 
 - (BOOL)shouldHandleMetric:(MGLMetricType)metricType;
-- (void)didCollectMetric:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes;
+- (void)metricsManager:(MGLMetricsManager *)metricsManager didCollectMetric:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes;
 
 @end
 
diff --git a/platform/darwin/src/MGLMetricsManager.m b/platform/darwin/src/MGLMetricsManager.m
index 75dc593aa7..cdc392ce40 100644
--- a/platform/darwin/src/MGLMetricsManager.m
+++ b/platform/darwin/src/MGLMetricsManager.m
@@ -5,6 +5,10 @@
 
 NSString * const kMGLPerformanceMetric = @"mobile.performance_trace";
 
+NSString* MGLStringFromMetricType(MGLMetricType metricType) {
+    return [@[kMGLPerformanceMetric] objectAtIndex:metricType];
+}
+
 @implementation MGLMetricsManager
 
 + (instancetype)sharedManager
@@ -17,9 +21,9 @@ NSString * const kMGLPerformanceMetric = @"mobile.performance_trace";
     return sharedConfiguration;
 }
 
-- (void)handleMetricEvent:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes {
+- (void)handleMetricsEvent:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes {
     if ([self.delegate shouldHandleMetric:metricType]) {
-        [self.delegate didCollectMetric:metricType withAttributes:attributes];
+        [self.delegate metricsManager:self didCollectMetric:metricType withAttributes:attributes];
     }
 }
 
diff --git a/platform/darwin/src/MGLMetricsManager_Private.h b/platform/darwin/src/MGLMetricsManager_Private.h
index 4a32710925..a2b2d9548c 100644
--- a/platform/darwin/src/MGLMetricsManager_Private.h
+++ b/platform/darwin/src/MGLMetricsManager_Private.h
@@ -2,11 +2,11 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-extern NSString *const kMGLPerformanceMetric;
+FOUNDATION_EXTERN MGL_EXPORT NSString *const kMGLPerformanceMetric;
 
 @interface MGLMetricsManager (Private)
 
-- (void)handleMetricEvent:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes;
+- (void)handleMetricsEvent:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes;
 
 @end
 
diff --git a/platform/darwin/src/MGLNetworkConfiguration.m b/platform/darwin/src/MGLNetworkConfiguration.m
index 5682e0bc1e..f938bcc753 100644
--- a/platform/darwin/src/MGLNetworkConfiguration.m
+++ b/platform/darwin/src/MGLNetworkConfiguration.m
@@ -1,7 +1,6 @@
 #import "MGLNetworkConfiguration_Private.h"
 #import "MGLMetricsManager_Private.h"
 
-NSString * const kMGLDownloadPerformanceEvent = @"mobile.performance_trace";
 static NSString * const MGLStartTime = @"start_time";
 static NSString * const MGLResourceType = @"resource_type";
 
@@ -73,7 +72,7 @@ static NSString * const MGLResourceType = @"resource_type";
 {
     if (urlString && [self.events objectForKey:urlString]) {
         NSDictionary *eventAttributes = [self eventAttributesForURL:urlString withAction:action];
-        [[MGLMetricsManager sharedManager] handleMetricEvent:MGLMetricTypePerformance withAttributes:eventAttributes];
+        [[MGLMetricsManager sharedManager] handleMetricsEvent:MGLMetricTypePerformance withAttributes:eventAttributes];
         [self.events removeObjectForKey:urlString];
     }
 }
@@ -94,9 +93,9 @@ static NSString * const MGLResourceType = @"resource_type";
     if (action) {
         [attributes addObject:@{ @"name" : @"action" , @"value" : action }];
     }
-    
+    NSString *event = MGLStringFromMetricType(MGLMetricTypePerformance);
     return @{
-             @"event" : kMGLPerformanceMetric,
+             @"event" : event,
              @"created" : createdDate,
              @"sessionId" : [NSUUID UUID].UUIDString,
              @"counters" : @[ @{ @"name" : @"elapsed_time" , @"value" : @(elapsedTime) } ],