Handle delayed tasks more natively in the scheduler

cc/test/test_now_source.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 <limits>
 #include <string>
 
 #include "cc/test/test_now_source.h"
 
 namespace cc {
 
 // TestNowSource::Constructors
 scoped_refptr<TestNowSource> TestNowSource::Create() {
   return make_scoped_refptr(new TestNowSource());
 }
 
 scoped_refptr<TestNowSource> TestNowSource::Create(base::TimeTicks initial) {
   return make_scoped_refptr(new TestNowSource(initial));
 }
 
 scoped_refptr<TestNowSource> TestNowSource::Create(int64_t initial) {
   return make_scoped_refptr(new TestNowSource(initial));
 }
 
 TestNowSource::TestNowSource()
-    : initial_(base::TimeTicks::FromInternalValue(10000)), now_() {
+    : initial_(base::TimeTicks::FromInternalValue(10000)),
+      now_(),
+      num_now_calls_(0) {
   Reset();
 }
 
 TestNowSource::TestNowSource(base::TimeTicks initial)
-    : initial_(initial), now_() {
+    : initial_(initial), now_(), num_now_calls_(0) {
   Reset();
 }
 
 TestNowSource::TestNowSource(int64_t initial)
-    : initial_(base::TimeTicks::FromInternalValue(initial)), now_() {
+    : initial_(base::TimeTicks::FromInternalValue(initial)),
+      now_(),
+      num_now_calls_(0) {
   Reset();
 }
 
 TestNowSource::~TestNowSource() {
 }
 
 // TestNowSource actual functionality
 void TestNowSource::Reset() {
   TRACE_EVENT_INSTANT2("cc",
                        "TestNowSource::Reset",
                        TRACE_EVENT_SCOPE_THREAD,
                        "previous",
                        now_,
                        "initial",
                        initial_);
   now_ = initial_;
 }
 
 base::TimeTicks TestNowSource::Now() const {
+  num_now_calls_++;
   return now_;
 }
 
 void TestNowSource::SetNow(base::TimeTicks time) {
   TRACE_EVENT_INSTANT2("cc",
                        "TestNowSource::SetNow",
                        TRACE_EVENT_SCOPE_THREAD,
                        "previous",
                        now_,
                        "new",
@@ skipping 50 matching lines @@
 ::std::ostream& operator<<(::std::ostream& os,
                            const scoped_refptr<TestNowSource>& src) {
   os << src->ToString();
   return os;
 }
 void PrintTo(const scoped_refptr<TestNowSource>& src, ::std::ostream* os) {
   *os << src;
 }
 
 }  // namespace cc