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

webrtc/common_audio/vad/vad_unittest.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 58 matching lines @@
     speech[i] = static_cast<int16_t>(i * i);
   }
 
   // nullptr instance tests
   EXPECT_EQ(-1, WebRtcVad_Init(nullptr));
   EXPECT_EQ(-1, WebRtcVad_set_mode(nullptr, kModes[0]));
   EXPECT_EQ(-1,
             WebRtcVad_Process(nullptr, kRates[0], speech, kFrameLengths[0]));
 
   // WebRtcVad_Create()
-  CHECK(handle);
+  RTC_CHECK(handle);
 
   // Not initialized tests
   EXPECT_EQ(-1, WebRtcVad_Process(handle, kRates[0], speech, kFrameLengths[0]));
   EXPECT_EQ(-1, WebRtcVad_set_mode(handle, kModes[0]));
 
   // WebRtcVad_Init() test
   ASSERT_EQ(0, WebRtcVad_Init(handle));
 
   // WebRtcVad_set_mode() invalid modes tests. Tries smallest supported value
   // minus one and largest supported value plus one.
@@ skipping 57 matching lines @@
         EXPECT_EQ(-1, WebRtcVad_ValidRateAndFrameLength(kRates[i],
                                                         kFrameLengths[j]));
       }
     }
   }
 }
 
 // TODO(bjornv): Add a process test, run on file.
 
 }  // namespace