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

webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc

 /*
  *  Copyright (c) 2012 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 707 matching lines @@
       input_image.height() != codec_.height)) {
     int ret = UpdateCodecFrameSize(input_image);
     if (ret < 0)
       return ret;
   }
 
   // Since we are extracting raw pointers from |input_image| to
   // |raw_images_[0]|, the resolution of these frames must match. Note that
   // |input_image| might be scaled from |frame|. In that case, the resolution of
   // |raw_images_[0]| should have been updated in UpdateCodecFrameSize.
-  DCHECK_EQ(input_image.width(), static_cast<int>(raw_images_[0].d_w));
-  DCHECK_EQ(input_image.height(), static_cast<int>(raw_images_[0].d_h));
+  RTC_DCHECK_EQ(input_image.width(), static_cast<int>(raw_images_[0].d_w));
+  RTC_DCHECK_EQ(input_image.height(), static_cast<int>(raw_images_[0].d_h));
 
   // Image in vpx_image_t format.
   // Input image is const. VP8's raw image is not defined as const.
   raw_images_[0].planes[VPX_PLANE_Y] =
      const_cast<uint8_t*>(input_image.buffer(kYPlane));
   raw_images_[0].planes[VPX_PLANE_U] =
      const_cast<uint8_t*>(input_image.buffer(kUPlane));
   raw_images_[0].planes[VPX_PLANE_V] =
      const_cast<uint8_t*>(input_image.buffer(kVPlane));
 
@@ skipping 653 matching lines @@
     return -1;
   }
   if (vpx_codec_control(copy->decoder_, VP8_SET_REFERENCE, ref_frame_)
       != VPX_CODEC_OK) {
     return -1;
   }
   return 0;
 }
 
 }  // namespace webrtc