Canvas API. There are still a number of things to do:

runtime/embedders/openglui/common/timer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "embedders/openglui/common/timer.h"
 
 #define NANO (+1.0E-9)
 
 #ifdef __MACH__
 #include <mach/mach.h>
@@ skipping 25 matching lines @@
     gettimeofday(&now, NULL);
     t->tv_sec  = now.tv_sec;
     t->tv_nsec = now.tv_usec * 1000;
   }
 }
 #endif
 
 Timer::Timer() : elapsed_(0.0f), last_time_(0.0) {
 }
 
-void Timer::reset() {
+void Timer::Reset() {
   elapsed_ = 0.0f;
-  last_time_ = now();
+  last_time_ = Now();
 }
 
-void Timer::update() {
-  double current = now();
+void Timer::Update() {
+  double current = Now();
   elapsed_ = (current - last_time_);
   last_time_ = current;
 }
 
-double Timer::now() {
+double Timer::Now() {
   timespec timeval;
   clock_gettime(CLOCK_MONOTONIC, &timeval);
   return timeval.tv_sec + (timeval.tv_nsec * NANO);
 }
 
-float Timer::elapsed() {
+float Timer::Elapsed() {
   return elapsed_;
 }