Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/Timer.cpp

Index: third_party/WebKit/Source/platform/Timer.cpp
diff --git a/third_party/WebKit/Source/platform/Timer.cpp b/third_party/WebKit/Source/platform/Timer.cpp
index 30b6b0484f10a827026cf7e9b186b39c65ced66a..5f543f0ff20b03ce8cc185ce618eac90807408cd 100644
--- a/third_party/WebKit/Source/platform/Timer.cpp
+++ b/third_party/WebKit/Source/platform/Timer.cpp
@@ -48,7 +48,7 @@ TimerBase::TimerBase(RefPtr<WebTaskRunner> web_task_runner)
       thread_(CurrentThread()),
 #endif
       weak_ptr_factory_(this) {
-  ASSERT(web_task_runner_);
+  DCHECK(web_task_runner_);
 }
 
 TimerBase::~TimerBase() {
@@ -78,7 +78,7 @@ void TimerBase::Stop() {
 }
 
 double TimerBase::NextFireInterval() const {
-  ASSERT(IsActive());
+  DCHECK(IsActive());
   double current = TimerMonotonicallyIncreasingTime();
   if (next_fire_time_ < current)
     return 0;