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

content/public/browser/render_widget_host.h

Index: content/public/browser/render_widget_host.h
diff --git a/content/public/browser/render_widget_host.h b/content/public/browser/render_widget_host.h
index b75fd878a25de9a1f4641c3480a5ec0925d99ebc..d1a154fdc0d773199b15f0cec94bd23f044712d0 100644
--- a/content/public/browser/render_widget_host.h
+++ b/content/public/browser/render_widget_host.h
@@ -259,6 +259,27 @@ class CONTENT_EXPORT RenderWidgetHost : public IPC::Sender {
 
   // Sends a compositor proto to the render widget.
   virtual void HandleCompositorProto(const std::vector<uint8_t>& proto) = 0;
+
+  // Drag-and-drop drop target messages that get sent to Blink.
+  virtual void DragTargetDragEnter(
+      const DropData& drop_data,
+      const gfx::Point& client_pt,
+      const gfx::Point& screen_pt,
+      blink::WebDragOperationsMask operations_allowed,
+      int key_modifiers) = 0;
+  virtual void DragTargetDragOver(
+      const gfx::Point& client_pt,
+      const gfx::Point& screen_pt,
+      blink::WebDragOperationsMask operations_allowed,
+      int key_modifiers) = 0;
+  virtual void DragTargetDragLeave() = 0;
+  virtual void DragTargetDrop(const DropData& drop_data,
+                              const gfx::Point& client_pt,
+                              const gfx::Point& screen_pt,
+                              int key_modifiers) = 0;
+
+  // Filters drop data before it is passed to RenderWidgetHostImpl.

[nasko, 2016/11/10 17:33:16]

nit: Since this is content/public, drop the Impl part, fine to keep it as
RenderWidgetHost.

[paulmeyer, 2016/11/11 23:26:48]

Done.

+  virtual void FilterDropData(DropData* drop_data) = 0;
 };
 
 }  // namespace content