Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in platform/exported

third_party/WebKit/Source/platform/exported/WebDragData.cpp

Index: third_party/WebKit/Source/platform/exported/WebDragData.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebDragData.cpp b/third_party/WebKit/Source/platform/exported/WebDragData.cpp
index 7ae91c4385cabf7cf4197716a99c718872edff9c..ccef59ea33e99d5fafa1505d52223b62929a3578 100644
--- a/third_party/WebKit/Source/platform/exported/WebDragData.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebDragData.cpp
@@ -33,12 +33,12 @@
 namespace blink {
 
 void WebDragData::SetItems(WebVector<Item> item_list) {
-  ASSERT(!IsNull());
+  DCHECK(!IsNull());
   item_list_.Swap(item_list);
 }
 
 void WebDragData::AddItem(const Item& item) {
-  ASSERT(!IsNull());
+  DCHECK(!IsNull());
   WebVector<Item> item_list(item_list_.size() + 1);
 
   for (unsigned i = 0; i < item_list_.size(); ++i)