Replace ASSERT with DCHECK in core/

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

Index: third_party/WebKit/Source/core/frame/RemoteFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/RemoteFrame.cpp b/third_party/WebKit/Source/core/frame/RemoteFrame.cpp
index 553b3d1658ba5b3095b677283ff1c029d7642f25..b03a004b0c5f0b28b6b1487a833332c2c9aa8c84 100644
--- a/third_party/WebKit/Source/core/frame/RemoteFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/RemoteFrame.cpp
@@ -40,7 +40,7 @@ RemoteFrame* RemoteFrame::Create(RemoteFrameClient* client,
 }
 
 RemoteFrame::~RemoteFrame() {
-  ASSERT(!view_);
+  DCHECK(!view_);
 }
 
 DEFINE_TRACE(RemoteFrame) {
@@ -133,7 +133,7 @@ void RemoteFrame::CreateView() {
   if (!DeprecatedLocalOwner())
     return;
 
-  ASSERT(!DeprecatedLocalOwner()->OwnedWidget());
+  DCHECK(!DeprecatedLocalOwner()->OwnedWidget());
 
   SetView(RemoteFrameView::Create(this));
 
@@ -152,7 +152,7 @@ void RemoteFrame::SetWebLayer(WebLayer* web_layer) {
   if (web_layer_)
     GraphicsLayer::RegisterContentsLayer(web_layer_);
 
-  ASSERT(Owner());
+  DCHECK(Owner());
   ToHTMLFrameOwnerElement(Owner())->SetNeedsCompositingUpdate();
 }