Convert DCHECKs to CHECKs for histogram types

base/metrics/sparse_histogram.cc

 // Copyright (c) 2012 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 "base/metrics/sparse_histogram.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/metrics_hashes.h"
@@ skipping 50 matching lines @@
     if (histogram_ref) {
       allocator->FinalizeHistogram(histogram_ref,
                                    histogram == tentative_histogram_ptr);
     }
 
     ReportHistogramActivity(*histogram, HISTOGRAM_CREATED);
   } else {
     ReportHistogramActivity(*histogram, HISTOGRAM_LOOKUP);
   }
 
-  DCHECK_EQ(SPARSE_HISTOGRAM, histogram->GetHistogramType());
+  CHECK_EQ(SPARSE_HISTOGRAM, histogram->GetHistogramType());
   return histogram;
 }
 
 // static
 std::unique_ptr<HistogramBase> SparseHistogram::PersistentCreate(
     PersistentHistogramAllocator* allocator,
     const std::string& name,
     HistogramSamples::Metadata* meta,
     HistogramSamples::Metadata* logged_meta) {
   return WrapUnique(
@@ skipping 198 matching lines @@
                                        std::string* output) const {
   StringAppendF(output,
                 "Histogram: %s recorded %d samples",
                 histogram_name().c_str(),
                 total_count);
   if (flags())
     StringAppendF(output, " (flags = 0x%x)", flags());
 }
 
 }  // namespace base