2 files changed, 14 insertions, 13 deletions
diff --git a/views/widget/widget_gtk.cc b/views/widget/widget_gtk.cc
index 78137c5..5d946f5 100644
--- a/views/widget/widget_gtk.cc
+++ b/views/widget/widget_gtk.cc
@@ -1153,6 +1153,15 @@ void WidgetGtk::ReleaseGrab() {
   }
 }
 
+void WidgetGtk::HandleGrabBroke() {
+  if (has_capture_) {
+    if (is_mouse_down_)
+      root_view_->ProcessMouseDragCanceled();
+    is_mouse_down_ = false;
+    has_capture_ = false;
+  }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // WidgetGtk, private:
 
@@ -1399,15 +1408,6 @@ void WidgetGtk::ConfigureWidgetForIgnoreEvents() {
       0);
 }
 
-void WidgetGtk::HandleGrabBroke() {
-  if (has_capture_) {
-    if (is_mouse_down_)
-      root_view_->ProcessMouseDragCanceled();
-    is_mouse_down_ = false;
-    has_capture_ = false;
-  }
-}
-
 void WidgetGtk::DrawTransparentBackground(GtkWidget* widget,
                                           GdkEventExpose* event) {
   cairo_t* cr = gdk_cairo_create(widget->window);
diff --git a/views/widget/widget_gtk.h b/views/widget/widget_gtk.h
index beb629f..8f7ca17 100644
--- a/views/widget/widget_gtk.h
+++ b/views/widget/widget_gtk.h
@@ -270,11 +270,15 @@ class WidgetGtk
   virtual bool ReleaseCaptureOnMouseReleased() { return true; }
 
   // Does a mouse grab on this widget.
-  void DoGrab();
+  virtual void DoGrab();
 
   // Releases a grab done by this widget.
   virtual void ReleaseGrab();
 
+  // Invoked when input grab is stolen by other GtkWidget in the same
+  // application.
+  virtual void HandleGrabBroke();
+
   // Are we a subclass of WindowGtk?
   bool is_window_;
 
@@ -316,9 +320,6 @@ class WidgetGtk
   // MakeIgnoreEvents has been invoked.
   void ConfigureWidgetForIgnoreEvents();
 
-  // TODO(sky): documentation
-  void HandleGrabBroke();
-
   // A utility function to draw a transparent background onto the |widget|.
   static void DrawTransparentBackground(GtkWidget* widget,
                                         GdkEventExpose* event);