Convert media constants to constexpr.

media/base/seekable_buffer_unittest.cc

 // 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.
 
 #include "media/base/seekable_buffer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cstdlib>
@@ skipping 278 matching lines @@
   EXPECT_EQ(0, buffer_.Read(write_buffer_, 0));
   EXPECT_EQ(0, buffer_.Read(write_buffer_, 1));
   EXPECT_TRUE(buffer_.Seek(0));
   EXPECT_FALSE(buffer_.Seek(-1));
   EXPECT_FALSE(buffer_.Seek(1));
   EXPECT_EQ(0, buffer_.forward_bytes());
   EXPECT_EQ(0, buffer_.backward_bytes());
 }
 
 TEST_F(SeekableBufferTest, GetTime) {
-  const int64_t kNoTS = kNoTimestamp().ToInternalValue();
+  const int64_t kNoTS = kNoTimestamp.ToInternalValue();
   const struct {
     int64_t first_time_useconds;
     int64_t duration_useconds;
     int consume_bytes;
     int64_t expected_time;
   } tests[] = {
     { kNoTS, 1000000, 0, kNoTS },
     { kNoTS, 4000000, 0, kNoTS },
     { kNoTS, 8000000, 0, kNoTS },
     { kNoTS, 1000000, kWriteSize / 2, kNoTS },
@@ skipping 15 matching lines @@
     { 5, 4000000, 0, 5 },
     { 5, 8000000, 0, 5 },
     { 5, 1000000, kWriteSize / 2, 500005 },
     { 5, 4000000, kWriteSize / 2, 2000005 },
     { 5, 8000000, kWriteSize / 2, 4000005 },
     { 5, 1000000, kWriteSize, 1000005 },
     { 5, 4000000, kWriteSize, 4000005 },
     { 5, 8000000, kWriteSize, 8000005 },
   };
 
-  // current_time() must initially return kNoTimestamp().
-  EXPECT_EQ(kNoTimestamp().ToInternalValue(),
+  // current_time() must initially return kNoTimestamp.
+  EXPECT_EQ(kNoTimestamp.ToInternalValue(),
             buffer_.current_time().ToInternalValue());
 
   scoped_refptr<DataBuffer> buffer = DataBuffer::CopyFrom(data_, kWriteSize);
 
   for (size_t i = 0; i < arraysize(tests); ++i) {
     buffer->set_timestamp(base::TimeDelta::FromMicroseconds(
         tests[i].first_time_useconds));
     buffer->set_duration(base::TimeDelta::FromMicroseconds(
         tests[i].duration_useconds));
     buffer_.Append(buffer.get());
     EXPECT_TRUE(buffer_.Seek(tests[i].consume_bytes));
 
     int64_t actual = buffer_.current_time().ToInternalValue();
 
     EXPECT_EQ(tests[i].expected_time, actual) << "With test = { start:"
         << tests[i].first_time_useconds << ", duration:"
         << tests[i].duration_useconds << ", consumed:"
         << tests[i].consume_bytes << " }\n";
 
     buffer_.Clear();
   }
 }
 
 }  // namespace media