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

webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc

 /*
  *  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 423 matching lines @@
     return WEBRTC_VIDEO_CODEC_ERR_PARAMETER;
   }
   if (encoded_complete_callback_ == NULL) {
     return WEBRTC_VIDEO_CODEC_UNINITIALIZED;
   }
   VideoFrameType frame_type = kDeltaFrame;
   // We only support one stream at the moment.
   if (frame_types && frame_types->size() > 0) {
     frame_type = (*frame_types)[0];
   }
-  DCHECK_EQ(input_image.width(), static_cast<int>(raw_->d_w));
-  DCHECK_EQ(input_image.height(), static_cast<int>(raw_->d_h));
+  RTC_DCHECK_EQ(input_image.width(), static_cast<int>(raw_->d_w));
+  RTC_DCHECK_EQ(input_image.height(), static_cast<int>(raw_->d_h));
 
   // Set input image for use in the callback.
   // This was necessary since you need some information from input_image.
   // You can save only the necessary information (such as timestamp) instead of
   // doing this.
   input_image_ = &input_image;
 
   // Image in vpx_image_t format.
   // Input image is const. VPX's raw image is not defined as const.
   raw_->planes[VPX_PLANE_Y] = const_cast<uint8_t*>(input_image.buffer(kYPlane));
@@ skipping 323 matching lines @@
     decoder_ = NULL;
   }
   // Releases buffers from the pool. Any buffers not in use are deleted. Buffers
   // still referenced externally are deleted once fully released, not returning
   // to the pool.
   frame_buffer_pool_.ClearPool();
   inited_ = false;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 }  // namespace webrtc