Change WebRTC SslCipher to be exposed as number only.

talk/app/webrtc/fakemetricsobserver.cc

Index: talk/app/webrtc/fakemetricsobserver.cc
diff --git a/talk/app/webrtc/fakemetricsobserver.cc b/talk/app/webrtc/fakemetricsobserver.cc
index 9c300ccd60e2ed0913286c9257a260d2630eaafa..cbd8bf66637fec7a8d904851cb27b3c8cd6c0a51 100644
--- a/talk/app/webrtc/fakemetricsobserver.cc
+++ b/talk/app/webrtc/fakemetricsobserver.cc
@@ -37,10 +37,7 @@ FakeMetricsObserver::FakeMetricsObserver() {
 void FakeMetricsObserver::Reset() {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   counters_.clear();
-  memset(int_histogram_samples_, 0, sizeof(int_histogram_samples_));
-  for (std::string& type : string_histogram_samples_) {
-    type.clear();
-  }
+  memset(histogram_samples_, 0, sizeof(histogram_samples_));
 }
 
 void FakeMetricsObserver::IncrementEnumCounter(
@@ -61,14 +58,8 @@ void FakeMetricsObserver::IncrementEnumCounter(
 void FakeMetricsObserver::AddHistogramSample(PeerConnectionMetricsName type,
     int value) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  RTC_DCHECK_EQ(int_histogram_samples_[type], 0);
-  int_histogram_samples_[type] = value;
-}
-
-void FakeMetricsObserver::AddHistogramSample(PeerConnectionMetricsName type,
-    const std::string& value) {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  string_histogram_samples_[type].assign(value);
+  RTC_DCHECK_EQ(histogram_samples_[type], 0);
+  histogram_samples_[type] = value;
 }
 
 int FakeMetricsObserver::GetEnumCounter(PeerConnectionEnumCounterType type,
@@ -79,16 +70,10 @@ int FakeMetricsObserver::GetEnumCounter(PeerConnectionEnumCounterType type,
   return counters_[type][counter];
 }
 
-int FakeMetricsObserver::GetIntHistogramSample(
-    PeerConnectionMetricsName type) const {
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  return int_histogram_samples_[type];
-}
-
-const std::string& FakeMetricsObserver::GetStringHistogramSample(
+int FakeMetricsObserver::GetHistogramSample(
     PeerConnectionMetricsName type) const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  return string_histogram_samples_[type];
+  return histogram_samples_[type];
 }
 
 }  // namespace webrtc