Add check_deps rules in DEPS files.

webrtc/modules/audio_processing/agc/agc_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.
  */
 
 #include "webrtc/modules/audio_processing/agc/agc.h"
 
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/test/testsupport/fileutils.h"
 #include "webrtc/tools/agc/test_utils.h"
 
 using ::testing::_;
 using ::testing::AllOf;
 using ::testing::AtLeast;
 using ::testing::Eq;
 using ::testing::Gt;
@@ skipping 128 matching lines @@
   RunAgc(1000, -20);
 }
 
 // TODO(ajm): Add this test; requires measuring the signal RMS.
 TEST_F(AgcTest, AdaptsToCorrectRMS) {
 }
 
 }  // namespace
 }  // namespace webrtc