Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/testing/WebLayerTreeViewImplForTesting.cpp

 // Copyright 2013 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 "platform/testing/WebLayerTreeViewImplForTesting.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/blink/web_layer_impl.h"
@@ skipping 13 matching lines @@
 WebLayerTreeViewImplForTesting::WebLayerTreeViewImplForTesting(
     const cc::LayerTreeSettings& settings) {
   animation_host_ = cc::AnimationHost::CreateMainInstance();
   cc::LayerTreeHost::InitParams params;
   params.client = this;
   params.settings = &settings;
   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
   params.task_graph_runner = &task_graph_runner_;
   params.mutator_host = animation_host_.get();
   layer_tree_host_ = cc::LayerTreeHost::CreateSingleThreaded(this, &params);
-  ASSERT(layer_tree_host_);
+  DCHECK(layer_tree_host_);
 }
 
 WebLayerTreeViewImplForTesting::~WebLayerTreeViewImplForTesting() {}
 
 // static
 cc::LayerTreeSettings
 WebLayerTreeViewImplForTesting::DefaultLayerTreeSettings() {
   cc::LayerTreeSettings settings;
 
   // For web contents, layer transforms should scale up the contents of layers
@@ skipping 156 matching lines @@
 
 bool WebLayerTreeViewImplForTesting::HaveScrollEventHandlers() const {
   return layer_tree_host_->have_scroll_event_handlers();
 }
 
 bool WebLayerTreeViewImplForTesting::IsForSubframe() {
   return false;
 }
 
 }  // namespace blink