Removed obsolete float_util.h as VS2013 supports standards well enough.

media/audio/audio_power_monitor.cc

 // Copyright 2013 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/audio/audio_power_monitor.h"
 
 #include <algorithm>
 #include <cmath>
 
-#include "base/float_util.h"
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "media/base/audio_bus.h"
 #include "media/base/vector_math.h"
 
 namespace media {
 
 AudioPowerMonitor::AudioPowerMonitor(
     int sample_rate, const base::TimeDelta& time_constant)
     : sample_weight_(
@@ skipping 25 matching lines @@
     return;
 
   // Calculate a new average power by applying a first-order low-pass filter
   // (a.k.a. an exponentially-weighted moving average) over the audio samples in
   // each channel in |buffer|.
   float sum_power = 0.0f;
   for (int i = 0; i < num_channels; ++i) {
     const std::pair<float, float> ewma_and_max = vector_math::EWMAAndMaxPower(
         average_power_, buffer.channel(i), num_frames, sample_weight_);
     // If data in audio buffer is garbage, ignore its effect on the result.
-    if (!base::IsFinite(ewma_and_max.first)) {
+    if (!std::isfinite(ewma_and_max.first)) {
       sum_power += average_power_;
     } else {
       sum_power += ewma_and_max.first;
       has_clipped_ |= (ewma_and_max.second > 1.0f);
     }
   }
 
   // Update accumulated results, with clamping for sanity.
   average_power_ = std::max(0.0f, std::min(1.0f, sum_power / num_channels));
 
@@ skipping 17 matching lines @@
   const float power_dbfs = power_reading_ < kInsignificantPower ? zero_power() :
       10.0f * log10f(power_reading_);
 
   const bool clipped = clipped_reading_;
   clipped_reading_ = false;
 
   return std::make_pair(power_dbfs, clipped);
 }
 
 }  // namespace media