Convert media constants to constexpr.

media/blink/websourcebuffer_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/websourcebuffer_impl.h"
 
 #include <stdint.h>
 
 #include <cmath>
 #include <limits>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/strings/string_number_conversions.h"
 #include "media/base/media_tracks.h"
 #include "media/base/timestamp_constants.h"
 #include "media/filters/chunk_demuxer.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 #include "third_party/WebKit/public/platform/WebSourceBufferClient.h"
 
 namespace media {
 
 static base::TimeDelta DoubleToTimeDelta(double time) {
   DCHECK(!std::isnan(time));
   DCHECK_NE(time, -std::numeric_limits<double>::infinity());
 
   if (time == std::numeric_limits<double>::infinity())
-    return kInfiniteDuration();
+    return kInfiniteDuration;
 
   // Don't use base::TimeDelta::Max() here, as we want the largest finite time
   // delta.
   base::TimeDelta max_time = base::TimeDelta::FromInternalValue(
       std::numeric_limits<int64_t>::max() - 1);
   double max_time_in_seconds = max_time.InSecondsF();
 
   if (time >= max_time_in_seconds)
     return max_time;
 
   return base::TimeDelta::FromMicroseconds(
       time * base::Time::kMicrosecondsPerSecond);
 }
 
-WebSourceBufferImpl::WebSourceBufferImpl(
-    const std::string& id, ChunkDemuxer* demuxer)
+WebSourceBufferImpl::WebSourceBufferImpl(const std::string& id,
+                                         ChunkDemuxer* demuxer)
     : id_(id),
       demuxer_(demuxer),
       client_(NULL),
-      append_window_end_(kInfiniteDuration()) {
+      append_window_end_(kInfiniteDuration) {
   DCHECK(demuxer_);
   demuxer_->SetTracksWatcher(
       id, base::Bind(&WebSourceBufferImpl::InitSegmentReceived,
                      base::Unretained(this)));
 }
 
 WebSourceBufferImpl::~WebSourceBufferImpl() {
   DCHECK(!demuxer_) << "Object destroyed w/o removedFromMediaSource() call";
   DCHECK(!client_);
 }
@@ skipping 134 matching lines @@
     trackInfo.kind = blink::WebString::fromUTF8(track->kind());
     trackInfo.label = blink::WebString::fromUTF8(track->label());
     trackInfo.language = blink::WebString::fromUTF8(track->language());
     trackInfoVector.push_back(trackInfo);
   }
 
   client_->initializationSegmentReceived(trackInfoVector);
 }
 
 }  // namespace media