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

content/browser/renderer_host/input/motion_event_android.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 "content/browser/renderer_host/input/motion_event_android.h"
 
 #include <android/input.h>
 
+#include <cmath>
+
 #include "base/android/jni_android.h"
-#include "base/float_util.h"
 #include "jni/MotionEvent_jni.h"
 #include "ui/events/event_constants.h"
 
 using base::android::AttachCurrentThread;
 using namespace JNI_MotionEvent;
 
 namespace content {
 namespace {
 
 MotionEventAndroid::Action FromAndroidAction(int android_action) {
@@ skipping 64 matching lines @@
   if ((meta_state & AMETA_CAPS_LOCK_ON) != 0)
     flags |= ui::EF_CAPS_LOCK_DOWN;
   return flags;
 }
 
 base::TimeTicks FromAndroidTime(int64 time_ms) {
   return base::TimeTicks() + base::TimeDelta::FromMilliseconds(time_ms);
 }
 
 float ToValidFloat(float x) {
-  if (base::IsNaN(x))
+  if (std::isnan(x))
     return 0.f;
 
   // Wildly large orientation values have been observed in the wild after device
   // rotation. There's not much we can do in that case other than simply
   // sanitize results beyond an absurd and arbitrary threshold.
   if (std::abs(x) > 1e5f)
     return 0.f;
 
   return x;
 }
@@ skipping 226 matching lines @@
   result.tool_type = FromAndroidToolType(pointer.tool_type);
   return result;
 }
 
 // static
 bool MotionEventAndroid::RegisterMotionEventAndroid(JNIEnv* env) {
   return JNI_MotionEvent::RegisterNativesImpl(env);
 }
 
 }  // namespace content