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

webrtc/modules/audio_processing/beamformer/complex_matrix.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 41 matching lines @@
   ComplexMatrix& ConjugateTranspose() {
     this->CopyDataToScratch();
     int num_rows = this->num_rows();
     this->SetNumRows(this->num_columns());
     this->SetNumColumns(num_rows);
     this->Resize();
     return ConjugateTranspose(this->scratch_elements());
   }
 
   ComplexMatrix& ConjugateTranspose(const ComplexMatrix& operand) {
-    CHECK_EQ(operand.num_rows(), this->num_columns());
-    CHECK_EQ(operand.num_columns(), this->num_rows());
+    RTC_CHECK_EQ(operand.num_rows(), this->num_columns());
+    RTC_CHECK_EQ(operand.num_columns(), this->num_rows());
     return ConjugateTranspose(operand.elements());
   }
 
   ComplexMatrix& ZeroImag() {
     complex<T>* const data = this->data();
     size_t size = this->num_rows() * this->num_columns();
     for (size_t i = 0; i < size; ++i) {
       data[i] = complex<T>(data[i].real(), 0);
     }
 
@@ skipping 14 matching lines @@
       }
     }
 
     return *this;
   }
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_COMPLEX_MATRIX_H_