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

content/common/page_state_serialization_unittest.cc

Index: content/common/page_state_serialization_unittest.cc
diff --git a/content/common/page_state_serialization_unittest.cc b/content/common/page_state_serialization_unittest.cc
index 6dc775a62493c57d8f026e5465239b4bcbd12eef..b0a1a8c036311e98385cb3cfa1573aea2af0f757 100644
--- a/content/common/page_state_serialization_unittest.cc
+++ b/content/common/page_state_serialization_unittest.cc
@@ -6,7 +6,6 @@
 
 #include "base/base64.h"
 #include "base/files/file_util.h"
-#include "base/float_util.h"
 #include "base/path_service.h"
 #include "base/pickle.h"
 #include "base/strings/string_util.h"
@@ -47,8 +46,8 @@ void ExpectEquality(const ExplodedHttpBodyElement& a,
   EXPECT_EQ(a.filesystem_url, b.filesystem_url);
   EXPECT_EQ(a.file_start, b.file_start);
   EXPECT_EQ(a.file_length, b.file_length);
-  if (!(base::IsNaN(a.file_modification_time) &&
-        base::IsNaN(b.file_modification_time))) {
+  if (!(std::isnan(a.file_modification_time) &&

[Mark Mentovai, 2015/04/08 18:04:37]

#include <cmath>

+        std::isnan(b.file_modification_time))) {
     EXPECT_DOUBLE_EQ(a.file_modification_time, b.file_modification_time);
   }
   EXPECT_EQ(a.blob_uuid, b.blob_uuid);