Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm

Index: webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm b/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm
new file mode 100644
index 0000000000000000000000000000000000000000..279a2bec31140c26bd2fa863ec90ec5321de902b
--- /dev/null
+++ b/webrtc/sdk/objc/Framework/Classes/RTCMetrics.mm
@@ -0,0 +1,32 @@
+/*
+ *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "WebRTC/RTCMetrics.h"
+
+#import "RTCMetricsSampleInfo+Private.h"
+
+void RTCEnableMetrics() {
+  webrtc::metrics::Enable();
+}
+
+NSArray<RTCMetricsSampleInfo *> *RTCGetAndResetMetrics() {
+  std::map<std::string, std::unique_ptr<webrtc::metrics::SampleInfo>>
+      histograms;
+  webrtc::metrics::GetAndReset(&histograms);
+
+  NSMutableArray *metrics =
+      [NSMutableArray arrayWithCapacity:histograms.size()];
+  for (auto const &histogram : histograms) {
+    RTCMetricsSampleInfo *metric = [[RTCMetricsSampleInfo alloc]
+        initWithNativeSampleInfo:*histogram.second];
+    [metrics addObject:metric];
+  }
+  return metrics;
+}