Replace ASSERT with DCHECK in core/

third_party/WebKit/Source/core/frame/PlatformEventController.cpp

 // 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 "core/frame/PlatformEventController.h"
 
 #include "core/page/Page.h"
 
 namespace blink {
 
 PlatformEventController::PlatformEventController(LocalFrame* frame)
     : PageVisibilityObserver(frame ? frame->GetPage() : nullptr),
       has_event_listener_(false),
       is_active_(false),
       timer_(TaskRunnerHelper::Get(TaskType::kUnspecedTimer, frame),
              this,
              &PlatformEventController::OneShotCallback) {}
 
 PlatformEventController::~PlatformEventController() {}
 
 void PlatformEventController::OneShotCallback(TimerBase* timer) {
   DCHECK_EQ(timer, &timer_);
-  ASSERT(HasLastData());
-  ASSERT(!timer_.IsActive());
+  DCHECK(HasLastData());
+  DCHECK(!timer_.IsActive());
 
   DidUpdateData();
 }
 
 void PlatformEventController::StartUpdating() {
   if (is_active_)
     return;
 
   if (HasLastData() && !timer_.IsActive()) {
     // Make sure to fire the data as soon as possible.
@@ skipping 17 matching lines @@
   if (!has_event_listener_)
     return;
 
   if (GetPage()->IsPageVisible())
     StartUpdating();
   else
     StopUpdating();
 }
 
 }  // namespace blink