Add RTC_ prefix to (D)CHECKs and related macros.

webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc

Index: webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc
diff --git a/webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc b/webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc
index e2ec419b24d828b2fd1ff1af50ccb0f27906d22d..76f31096db1d0bd276d374dcad122fd85ac796e3 100644
--- a/webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc
+++ b/webrtc/modules/audio_coding/neteq/tools/input_audio_file.cc
@@ -45,16 +45,18 @@ bool InputAudioFile::Seek(int samples) {
   }
   // Find file boundaries.
   const long current_pos = ftell(fp_);
-  CHECK_NE(EOF, current_pos) << "Error returned when getting file position.";
-  CHECK_EQ(0, fseek(fp_, 0, SEEK_END));  // Move to end of file.
+  RTC_CHECK_NE(EOF, current_pos)
+      << "Error returned when getting file position.";
+  RTC_CHECK_EQ(0, fseek(fp_, 0, SEEK_END));  // Move to end of file.
   const long file_size = ftell(fp_);
-  CHECK_NE(EOF, file_size) << "Error returned when getting file position.";
+  RTC_CHECK_NE(EOF, file_size) << "Error returned when getting file position.";
   // Find new position.
   long new_pos = current_pos + sizeof(int16_t) * samples;  // Samples to bytes.
-  CHECK_GE(new_pos, 0) << "Trying to move to before the beginning of the file";
+  RTC_CHECK_GE(new_pos, 0)
+      << "Trying to move to before the beginning of the file";
   new_pos = new_pos % file_size;  // Wrap around the end of the file.
   // Move to new position relative to the beginning of the file.
-  CHECK_EQ(0, fseek(fp_, new_pos, SEEK_SET));
+  RTC_CHECK_EQ(0, fseek(fp_, new_pos, SEEK_SET));
   return true;
 }