UMA histogram: Corrects misspelled histogram name

content/renderer/media/media_stream_audio_processor_options.cc

Index: content/renderer/media/media_stream_audio_processor_options.cc
diff --git a/content/renderer/media/media_stream_audio_processor_options.cc b/content/renderer/media/media_stream_audio_processor_options.cc
index 0b8db59723a735e21bcb2be467d22000eb374f9a..5b530d146a9b042df48de4d9eeda5289efd9dd6e 100644
--- a/content/renderer/media/media_stream_audio_processor_options.cc
+++ b/content/renderer/media/media_stream_audio_processor_options.cc
@@ -253,7 +253,7 @@ void EchoInformation::LogAecDelayStats() {
   if (echo_total_delay_counts_ > 0) {
     poor_delay_frequency = static_cast<float>(echo_poor_delay_counts_) /
         static_cast<float>(echo_total_delay_counts_);
-    UMA_HISTOGRAM_ENUMERATION("Media.AecDelayBasedQuality",
+    UMA_HISTOGRAM_ENUMERATION("WebRTC.AecDelayBasedQuality",
                               EchoDelayFrequencyToQuality(poor_delay_frequency),
                               DELAY_BASED_ECHO_QUALITY_MAX);
   }