Merge DragClientImpl into core.

third_party/WebKit/Source/core/loader/EmptyClients.h

 /*
  * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
  * Copyright (C) 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 16 matching lines @@
  */
 
 #ifndef EmptyClients_h
 #define EmptyClients_h
 
 #include "core/CoreExport.h"
 #include "core/editing/commands/UndoStep.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/ContextMenuClient.h"
-#include "core/page/DragClient.h"
 #include "core/page/EditorClient.h"
 #include "core/page/Page.h"
 #include "core/page/SpellCheckerClient.h"
 #include "platform/DragImage.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/heap/Handle.h"
 #include "platform/network/ResourceError.h"
 #include "platform/text/TextCheckerClient.h"
@@ skipping 37 matching lines @@
     void takeFocus(WebFocusType) override {}
 
     void focusedNodeChanged(Node*, Node*) override {}
     Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSetOpener) override { return nullptr; }
     void show(NavigationPolicy) override {}
 
     void didOverscroll(const FloatSize&, const FloatSize&, const FloatPoint&, const FloatSize&) override {}
 
     bool hadFormInteraction() const override { return false; }
 
+    void startDragging(LocalFrame*, const WebDragData&, WebDragOperationsMask, const WebImage& dragImage, const WebPoint& dragImageOffset) {}
+    bool acceptsLoadDrops() const override { return true; }
+
     void setToolbarsVisible(bool) override {}
     bool toolbarsVisible() override { return false; }
 
     void setStatusbarVisible(bool) override {}
     bool statusbarVisible() override { return false; }
 
     void setScrollbarsVisible(bool) override {}
     bool scrollbarsVisible() override { return false; }
 
     void setMenubarVisible(bool) override {}
@@ skipping 214 matching lines @@
 
 class EmptyContextMenuClient final : public ContextMenuClient {
     WTF_MAKE_NONCOPYABLE(EmptyContextMenuClient); USING_FAST_MALLOC(EmptyContextMenuClient);
 public:
     EmptyContextMenuClient() {}
     ~EmptyContextMenuClient() override {}
     void showContextMenu(const ContextMenu*) override {}
     void clearContextMenu() override {}
 };
 
-class EmptyDragClient final : public DragClient {
-    WTF_MAKE_NONCOPYABLE(EmptyDragClient); USING_FAST_MALLOC(EmptyDragClient);
-public:
-    EmptyDragClient() {}
-    ~EmptyDragClient() override {}
-    DragDestinationAction actionMaskForDrag(DragData*) override { return DragDestinationActionNone; }
-    void startDrag(DragImage*, const IntPoint&, const IntPoint&, DataTransfer*, LocalFrame*, bool) override {}
-};
-
 CORE_EXPORT void fillWithEmptyClients(Page::PageClients&);
 
 } // namespace blink
 
 #endif // EmptyClients_h