Convert media constants to constexpr.

media/blink/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 "media/blink/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <string>
@@ skipping 669 matching lines @@
   return blink::WebString::fromUTF8(media_log_->GetLastErrorMessage());
 }
 
 blink::WebTimeRanges WebMediaPlayerImpl::buffered() const {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   Ranges<base::TimeDelta> buffered_time_ranges =
       pipeline_.GetBufferedTimeRanges();
 
   const base::TimeDelta duration = pipeline_.GetMediaDuration();
-  if (duration != kInfiniteDuration()) {
+  if (duration != kInfiniteDuration) {
     buffered_data_source_host_.AddBufferedTimeRanges(
         &buffered_time_ranges, duration);
   }
   return ConvertToWebTimeRanges(buffered_time_ranges);
 }
 
 blink::WebTimeRanges WebMediaPlayerImpl::seekable() const {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   if (ready_state_ < WebMediaPlayer::ReadyStateHaveMetadata)
@@ skipping 716 matching lines @@
 
 blink::WebAudioSourceProvider* WebMediaPlayerImpl::getAudioSourceProvider() {
   return audio_source_provider_.get();
 }
 
 double WebMediaPlayerImpl::GetPipelineDuration() const {
   base::TimeDelta duration = pipeline_.GetMediaDuration();
 
   // Return positive infinity if the resource is unbounded.
   // http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-duration
-  if (duration == kInfiniteDuration())
+  if (duration == kInfiniteDuration)
     return std::numeric_limits<double>::infinity();
 
   return duration.InSecondsF();
 }
 
 static void GetCurrentFrameAndSignal(
     VideoFrameCompositor* compositor,
     scoped_refptr<VideoFrame>* video_frame_out,
     base::WaitableEvent* event) {
   TRACE_EVENT0("media", "GetCurrentFrameAndSignal");
@@ skipping 260 matching lines @@
   if (isRemote())
     return;
 #endif
 
   // Idle timeout chosen arbitrarily.
   background_pause_timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(5),
                                 this, &WebMediaPlayerImpl::OnPause);
 }
 
 }  // namespace media