Win Video Capture: Correct erroneous DCHECK

media/video/capture/win/video_capture_device_factory_win.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/video/capture/win/video_capture_device_factory_win.h"
 
 #include <mfapi.h>
 #include <mferror.h>
 
 #include "base/command_line.h"
@@ skipping 96 matching lines @@
 static bool EnumerateVideoDevicesMediaFoundation(IMFActivate*** devices,
                                                  UINT32* count) {
   ScopedComPtr<IMFAttributes> attributes;
   if (!PrepareVideoCaptureAttributesMediaFoundation(attributes.Receive(), 1))
     return false;
 
   return SUCCEEDED(MFEnumDeviceSources(attributes, devices, count));
 }
 
 static bool IsDeviceBlackListed(const std::string& name) {
-  DCHECK_EQ(BLACKLISTED_CAMERA_MAX,
+  DCHECK_EQ(BLACKLISTED_CAMERA_MAX + 1,
             static_cast<int>(arraysize(kBlacklistedCameraNames)));
   for (size_t i = 0; i < arraysize(kBlacklistedCameraNames); ++i) {
     if (StartsWithASCII(name, kBlacklistedCameraNames[i], false)) {
       DVLOG(1) << "Enumerated blacklisted device: " << name;
       UMA_HISTOGRAM_ENUMERATION("Media.VideoCapture.BlacklistedDevice",
           i, BLACKLISTED_CAMERA_MAX + 1);
       return true;
     }
   }
   return false;
@@ skipping 325 matching lines @@
     const Name& device,
     VideoCaptureFormats* formats) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (use_media_foundation_)
     GetDeviceSupportedFormatsMediaFoundation(device, formats);
   else
     GetDeviceSupportedFormatsDirectShow(device, formats);
 }
 
 }  // namespace media