Remove std::string histogram name from HistogramBase object.

ui/gl/angle_platform_impl.cc

 // Copyright 2015 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 "ui/gl/angle_platform_impl.h"
 
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
 #include "third_party/angle/include/platform/Platform.h"
@@ skipping 70 matching lines @@
                                              const char* name,
                                              int sample,
                                              int min,
                                              int max,
                                              int bucket_count) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
   base::HistogramBase* counter = base::Histogram::FactoryGet(
       name, min, max, bucket_count,
       base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
 
 void ANGLEPlatformImpl_histogramEnumeration(angle::PlatformMethods* platform,
                                             const char* name,
                                             int sample,
                                             int boundary_value) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
   base::HistogramBase* counter = base::LinearHistogram::FactoryGet(
       name, 1, boundary_value, boundary_value + 1,
       base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
 
 void ANGLEPlatformImpl_histogramSparse(angle::PlatformMethods* platform,
                                        const char* name,
                                        int sample) {
   // For sparse histograms, we can use the macro, as it does not incorporate a
   // static.
   UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample);
 }
@@ skipping 43 matching lines @@
   return true;
 }
 
 void ResetANGLEPlatform(EGLDisplay display) {
   if (!g_angle_reset_platform)
     return;
   g_angle_reset_platform(static_cast<angle::EGLDisplayType>(display));
 }
 
 }  // namespace gl