Replace remaining ASSERT with DCHECK/_EQ as appropriate

third_party/WebKit/Source/core/clipboard/DataTransfer.cpp

Index: third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
diff --git a/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp b/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
index 17e594029e9a4086bb9cad75ef71833679ed45be..c0e335f7a7f8234807ffbe243a70ea060dab7a1f 100644
--- a/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
+++ b/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
@@ -355,7 +355,7 @@ void DataTransfer::WriteSelection(const FrameSelection& selection) {
 
 void DataTransfer::SetAccessPolicy(DataTransferAccessPolicy policy) {
   // once you go numb, can never go back
-  ASSERT(policy_ != kDataTransferNumb || policy == kDataTransferNumb);
+  DCHECK(policy_ != kDataTransferNumb || policy == kDataTransferNumb);
   policy_ = policy;
 }
 
@@ -386,7 +386,7 @@ DragOperation DataTransfer::SourceOperation() const {
 
 DragOperation DataTransfer::DestinationOperation() const {
   DragOperation op = ConvertEffectAllowedToDragOperation(drop_effect_);
-  ASSERT(op == kDragOperationCopy || op == kDragOperationNone ||
+  DCHECK(op == kDragOperationCopy || op == kDragOperationNone ||
          op == kDragOperationLink ||
          op == (DragOperation)(kDragOperationGeneric | kDragOperationMove) ||
          op == kDragOperationEvery);