Remove a few meaningless TODOs

webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_objc.mm

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 202 matching lines @@
   NSError *error;
   if (![_captureSession addOutput:_captureDecompressedVideoOutput error:&error])
     return NO;
 
   return YES;
 }
 
 - (void)captureOutput:(QTCaptureOutput *)captureOutput
     didDropVideoFrameWithSampleBuffer:(QTSampleBuffer *)sampleBuffer
                        fromConnection:(QTCaptureConnection *)connection {
-  // TODO(mflodman) Experiment more when this happens.
 }
 
 - (void)captureOutput:(QTCaptureOutput *)captureOutput
   didOutputVideoFrame:(CVImageBufferRef)videoFrame
      withSampleBuffer:(QTSampleBuffer *)sampleBuffer
        fromConnection:(QTCaptureConnection *)connection {
 
   [_lock lock];
   if (!_owner) {
     [_lock unlock];
@@ skipping 17 matching lines @@
     _owner->IncomingFrame((unsigned char*)baseAddress, frameSize,
                           tempCaptureCapability, 0);
     CVPixelBufferUnlockBaseAddress(videoFrame, kFlags);
   }
   [_lock unlock];
   _framesDelivered++;
   _framesRendered++;
 }
 
 @end