Remove DISABLED_ON_ macros.

webrtc/modules/video_processing/test/brightness_detection_test.cc

 /*
  *  Copyright (c) 2011 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/common_video/libyuv/include/webrtc_libyuv.h"
 #include "webrtc/modules/video_processing/include/video_processing.h"
 #include "webrtc/modules/video_processing/test/video_processing_unittest.h"
-#include "webrtc/test/testsupport/gtest_disable.h"
 
 namespace webrtc {
 
-TEST_F(VideoProcessingTest, DISABLED_ON_IOS(BrightnessDetection)) {
+#if defined(WEBRTC_IOS)
+TEST_F(VideoProcessingTest, DISABLED_BrightnessDetection) {
+#else
+TEST_F(VideoProcessingTest, BrightnessDetection) {
+#endif
   uint32_t frameNum = 0;
   int32_t brightnessWarning = 0;
   uint32_t warningCount = 0;
   rtc::scoped_ptr<uint8_t[]> video_buffer(new uint8_t[frame_length_]);
   while (fread(video_buffer.get(), 1, frame_length_, source_file_) ==
          frame_length_) {
     EXPECT_EQ(0, ConvertToI420(kI420, video_buffer.get(), 0, 0, width_, height_,
                                0, kVideoRotation_0, &video_frame_));
     frameNum++;
     VideoProcessing::FrameStats stats;
@@ skipping 78 matching lines @@
     }
   }
   ASSERT_NE(0, feof(source_file_)) << "Error reading source file";
 
   // Expect many darkness warnings
   warningProportion = static_cast<float>(warningCount) / frameNum * 100;
   printf("Dark foreman: %.1f %%\n\n", warningProportion);
   EXPECT_GT(warningProportion, 90);
 }
 }  // namespace webrtc