Convert media constants to constexpr.

media/base/decoder_buffer.h

 // Copyright (c) 2012 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.
 
 #ifndef MEDIA_BASE_DECODER_BUFFER_H_
 #define MEDIA_BASE_DECODER_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 68 matching lines @@
   // shave keep as a virtual with hacker_style() for now.
   virtual void set_timestamp(base::TimeDelta timestamp);
 
   base::TimeDelta duration() const {
     DCHECK(!end_of_stream());
     return duration_;
   }
 
   void set_duration(base::TimeDelta duration) {
     DCHECK(!end_of_stream());
-    DCHECK(duration == kNoTimestamp() ||
-           (duration >= base::TimeDelta() && duration != kInfiniteDuration()))
+    DCHECK(duration == kNoTimestamp ||
+           (duration >= base::TimeDelta() && duration != kInfiniteDuration))
         << duration.InSecondsF();
     duration_ = duration;
   }
 
   const uint8_t* data() const {
     DCHECK(!end_of_stream());
     return data_.get();
   }
 
   uint8_t* writable_data() const {
@@ skipping 11 matching lines @@
     return side_data_.get();
   }
 
   size_t side_data_size() const {
     DCHECK(!end_of_stream());
     return side_data_size_;
   }
 
   // A discard window indicates the amount of data which should be discard from
   // this buffer after decoding.  The first value is the amount of the front and
-  // the second the amount off the back.  A value of kInfiniteDuration() for the
+  // the second the amount off the back.  A value of kInfiniteDuration for the
   // first value indicates the entire buffer should be discarded; the second
   // value must be base::TimeDelta() in this case.
   typedef std::pair<base::TimeDelta, base::TimeDelta> DiscardPadding;
   const DiscardPadding& discard_padding() const {
     DCHECK(!end_of_stream());
     return discard_padding_;
   }
 
   void set_discard_padding(const DiscardPadding& discard_padding) {
     DCHECK(!end_of_stream());
     discard_padding_ = discard_padding;
   }
 
   const DecryptConfig* decrypt_config() const {
     DCHECK(!end_of_stream());
     return decrypt_config_.get();
   }
 
   void set_decrypt_config(std::unique_ptr<DecryptConfig> decrypt_config) {
     DCHECK(!end_of_stream());
     decrypt_config_ = std::move(decrypt_config);
   }
 
   // If there's no data in this buffer, it represents end of stream.
   bool end_of_stream() const {
     return data_ == NULL;
   }
 
   // Indicates this buffer is part of a splice around |splice_timestamp_|.
-  // Returns kNoTimestamp() if the buffer is not part of a splice.
+  // Returns kNoTimestamp if the buffer is not part of a splice.
   base::TimeDelta splice_timestamp() const {
     DCHECK(!end_of_stream());
     return splice_timestamp_;
   }
 
-  // When set to anything but kNoTimestamp() indicates this buffer is part of a
+  // When set to anything but kNoTimestamp indicates this buffer is part of a
   // splice around |splice_timestamp|.
   void set_splice_timestamp(base::TimeDelta splice_timestamp) {
     DCHECK(!end_of_stream());
     splice_timestamp_ = splice_timestamp;
   }
 
   bool is_key_frame() const {
     DCHECK(!end_of_stream());
     return is_key_frame_;
   }
@@ skipping 37 matching lines @@
 
   // Constructor helper method for memory allocations.
   void Initialize();
 
   DISALLOW_COPY_AND_ASSIGN(DecoderBuffer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DECODER_BUFFER_H_