Drag-and-drop: DragEnter, DragOver, DragLeave, DragDrop

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

Index: third_party/WebKit/Source/web/WebFrameWidgetImpl.h
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
index 74bcb842c5954f111577e323bc750e27eeb9c2ab..28a4ff19f6dd365a3a8ce8cc2b96438b1c9a2b2f 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
+++ b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
@@ -123,7 +123,7 @@ class WebFrameWidgetImpl final
   void applyReplacementRange(const WebRange&) override;
 
   // WebFrameWidget implementation.
-  WebLocalFrameImpl* localRoot() override { return m_localRoot; }
+  WebLocalFrameImpl* localRoot() const override { return m_localRoot; }
   void setVisibilityState(WebPageVisibilityState) override;
   bool isTransparent() const override;
   void setIsTransparent(bool) override;
@@ -154,10 +154,6 @@ class WebFrameWidgetImpl final
 
   void setIgnoreInputEvents(bool newValue);
 
-  // Returns the page object associated with this widget. This may be null when
-  // the page is shutting down, but will be valid at all other times.
-  Page* page() const { return view()->page(); }
-
   // Event related methods:
   void mouseContextMenu(const WebMouseEvent&);
 
@@ -193,7 +189,6 @@ class WebFrameWidgetImpl final
   WebInputEventResult handleKeyEvent(const WebKeyboardEvent&) override;
   WebInputEventResult handleCharEvent(const WebKeyboardEvent&) override;
 
-  WebViewImpl* view() const { return m_localRoot->viewImpl(); }
   InspectorOverlay* inspectorOverlay();
 
   // This method returns the focused frame belonging to this WebWidget, that