Remove const WebMediaPlayer::didLoadingProgress() implementations.

content/renderer/media/webmediaplayer_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 519 matching lines @@
   // return 0 so that the seekable range is empty.
   if (ready_state_ < WebMediaPlayer::ReadyStateHaveMetadata)
     return 0.0;
 
   // We don't support seeking in streaming media.
   if (data_source_ && data_source_->IsStreaming())
     return 0.0;
   return duration();
 }
 
-bool WebMediaPlayerImpl::didLoadingProgress() const {
-  return const_cast<WebMediaPlayerImpl*>(this)->didLoadingProgress();
-}
-
 bool WebMediaPlayerImpl::didLoadingProgress() {
   DCHECK(main_loop_->BelongsToCurrentThread());
   bool pipeline_progress = pipeline_.DidLoadingProgress();
   bool data_progress = buffered_data_source_host_.DidLoadingProgress();
   return pipeline_progress || data_progress;
 }
 
 void WebMediaPlayerImpl::paint(WebCanvas* canvas,
                                const WebRect& rect,
                                unsigned char alpha) {
@@ skipping 828 matching lines @@
   compositor_task_runner_->PostTask(FROM_HERE,
                                     base::Bind(&GetCurrentFrameAndSignal,
                                                base::Unretained(compositor_),
                                                &video_frame,
                                                &event));
   event.Wait();
   return video_frame;
 }
 
 }  // namespace content