Added UMA metrics for MediaSourcePlayer and MediaCodecPlayer

media/base/android/media_codec_video_decoder.cc

Index: media/base/android/media_codec_video_decoder.cc
diff --git a/media/base/android/media_codec_video_decoder.cc b/media/base/android/media_codec_video_decoder.cc
index 70d477d7d5b701af186887ee89f8b90ea884cbac..87736d845602247ade32488d3c8f0d977af3dd09 100644
--- a/media/base/android/media_codec_video_decoder.cc
+++ b/media/base/android/media_codec_video_decoder.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/logging.h"
 #include "media/base/android/media_codec_bridge.h"
+#include "media/base/android/media_statistics.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/timestamp_constants.h"
 
@@ -26,7 +27,8 @@ MediaCodecVideoDecoder::MediaCodecVideoDecoder(
     const base::Closure& error_cb,
     const SetTimeCallback& update_current_time_cb,
     const VideoSizeChangedCallback& video_size_changed_cb,
-    const base::Closure& codec_created_cb)
+    const base::Closure& codec_created_cb,
+    FrameStatistics* frame_statistics)
     : MediaCodecDecoder(media_task_runner,
                         request_data_cb,
                         starvation_cb,
@@ -34,7 +36,8 @@ MediaCodecVideoDecoder::MediaCodecVideoDecoder(
                         stop_done_cb,
                         key_required_cb,
                         error_cb,
-                        "VideoDecoder"),
+                        "VideoDecoder",
+                        frame_statistics),
       is_protected_surface_required_(false),
       update_current_time_cb_(update_current_time_cb),
       video_size_changed_cb_(video_size_changed_cb),
@@ -274,7 +277,15 @@ void MediaCodecVideoDecoder::Render(int buffer_index,
            << " ticks delta:" << (base::TimeTicks::Now() - start_time_ticks_)
            << " time_to_render:" << time_to_render;
 
+  const bool render = (size > 0);
+
+  if (render && frame_statistics_)
+    frame_statistics_->AddFrame();
+
   if (time_to_render < base::TimeDelta()) {
+    if (render && frame_statistics_)
+      frame_statistics_->AddLateFrame((-1) * time_to_render);
+
     // Skip late frames
     ReleaseOutputBuffer(buffer_index, pts, false, update_time, eos_encountered);
     return;
@@ -282,7 +293,6 @@ void MediaCodecVideoDecoder::Render(int buffer_index,
 
   delayed_buffers_.insert(buffer_index);
 
-  const bool render = (size > 0);
   decoder_thread_.task_runner()->PostDelayedTask(
       FROM_HERE, base::Bind(&MediaCodecVideoDecoder::ReleaseOutputBuffer,
                             base::Unretained(this), buffer_index, pts, render,