Revert of Removed unused cricket::VideoCapturer methods

webrtc/media/engine/webrtcvideoengine2.cc

Index: webrtc/media/engine/webrtcvideoengine2.cc
diff --git a/webrtc/media/engine/webrtcvideoengine2.cc b/webrtc/media/engine/webrtcvideoengine2.cc
index 5964654af654756f22624fb5cf9faa9ea4f26876..c6bdafee5a336666a4fd46f5aab78c0590525105 100644
--- a/webrtc/media/engine/webrtcvideoengine2.cc
+++ b/webrtc/media/engine/webrtcvideoengine2.cc
@@ -1980,12 +1980,14 @@
     info.adapt_reason = CoordinatedVideoAdapter::ADAPTREASON_NONE;
 
     if (capturer_ != NULL) {
-      VideoFormat last_captured_frame_format;
-      capturer_->GetStats(&info.adapt_frame_drops, &info.effects_frame_drops,
-                          &info.capturer_frame_time,
-                          &last_captured_frame_format);
-      info.input_frame_width = last_captured_frame_format.width;
-      info.input_frame_height = last_captured_frame_format.height;
+      if (!capturer_->IsMuted()) {
+        VideoFormat last_captured_frame_format;
+        capturer_->GetStats(&info.adapt_frame_drops, &info.effects_frame_drops,
+                            &info.capturer_frame_time,
+                            &last_captured_frame_format);
+        info.input_frame_width = last_captured_frame_format.width;
+        info.input_frame_height = last_captured_frame_format.height;
+      }
       if (capturer_->video_adapter() != nullptr) {
         info.adapt_changes += capturer_->video_adapter()->adaptation_changes();
         info.adapt_reason = capturer_->video_adapter()->adapt_reason();