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

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index 9a27c2f9f4f048ccd4e29aab08ae439196cb3919..18b280865b86c74908922e10c0bf675bf32fe7b1 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -2215,7 +2215,7 @@ error::Error GLES2DecoderImpl::HandleLineWidth(uint32_t immediate_data_size,
       *static_cast<const gles2::cmds::LineWidth*>(cmd_data);
   (void)c;
   GLfloat width = static_cast<GLfloat>(c.width);
-  if (width <= 0.0f || base::IsNaN(width)) {
+  if (width <= 0.0f || std::isnan(width)) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "LineWidth", "width out of range");
     return error::kNoError;
   }