Drag-and-drop: Target drag messages to specific RenderWidgets.

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 181 matching lines @@
                           const gfx::Point& screen_pt,
                           blink::WebDragOperationsMask operations_allowed,
                           int key_modifiers) override;
   void DragTargetDragLeave() override;
   // |drop_data| must have been filtered. The embedder should call
   // FilterDropData before passing the drop data to RWHI.
   void DragTargetDrop(const DropData& drop_data,
                       const gfx::Point& client_pt,
                       const gfx::Point& screen_pt,
                       int key_modifiers) override;
-  void DragSourceEndedAt(int client_x,
-                         int client_y,
-                         int screen_x,
-                         int screen_y,
+  void DragSourceEndedAt(const gfx::Point& client_pt,
+                         const gfx::Point& screen_pt,
                          blink::WebDragOperation operation) override;
   void DragSourceSystemDragEnded() override;
   void FilterDropData(DropData* drop_data) override;
 
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
   // Forces redraw in the renderer and when the update reaches the browser
   // grabs snapshot from the compositor. Returns PNG-encoded snapshot.
   using GetSnapshotFromBrowserCallback =
@@ skipping 346 matching lines @@
     return hang_monitor_event_type_;
   }
   blink::WebInputEvent::Type last_event_type() const {
     return last_event_type_;
   }
 
   bool renderer_initialized() const { return renderer_initialized_; }
 
   bool needs_begin_frames() const { return needs_begin_frames_; }
 
+  base::WeakPtr<RenderWidgetHostImpl> GetWeakPtr() {
+    return weak_factory_.GetWeakPtr();
+  }
+
  protected:
   // ---------------------------------------------------------------------------
   // The following method is overridden by RenderViewHost to send upwards to
   // its delegate.
 
   // Callback for notification that we failed to receive any rendered graphics
   // from a newly loaded page. Used for testing.
   virtual void NotifyNewContentRenderingTimeoutForTesting() {}
 
   // ---------------------------------------------------------------------------
@@ skipping 317 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_