ui: Fix faulty drm/gbm DCHECKs.

ui/ozone/platform/drm/gpu/gbm_buffer.cc

Index: ui/ozone/platform/drm/gpu/gbm_buffer.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_buffer.cc b/ui/ozone/platform/drm/gpu/gbm_buffer.cc
index 952721bad5e25ccf23c080c75f9ae0329d4083c1..57dba9909e02a6a182ab6997395690fd33bd3418 100644
--- a/ui/ozone/platform/drm/gpu/gbm_buffer.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_buffer.cc
@@ -142,8 +142,7 @@ scoped_refptr<GbmBuffer> GbmBuffer::CreateBufferFromFds(
     const std::vector<int>& offsets) {
   TRACE_EVENT2("drm", "GbmBuffer::CreateBufferFromFD", "device",
                gbm->device_path().value(), "size", size.ToString());
-  DCHECK_EQ(fds.size(), strides.size());
-  DCHECK_EQ(fds.size(), 1u);
+  DCHECK_LE(fds.size(), strides.size());

[Pawel Osciak, 2016/06/24 00:52:54]

Should we DCHECK offsets.size() as well (DCHECK_EQ(strides.size(),
offsets.size())?

[Daniele Castagna, 2016/06/24 01:16:15]

Sure, done.

   DCHECK_EQ(offsets[0], 0);
 
   uint32_t fourcc_format = GetFourCCFormatFromBufferFormat(format);