Remove WebContents methods that duplicate WebContentsView methods.

chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc

Index: chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
diff --git a/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc b/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
index fa697d1ebce937e6100f9e6d693fe46abc6bc67d..aca50c63e2ebeddde0374959dea7ea736773b8c8 100644
--- a/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
+++ b/chrome/browser/ui/gtk/tabs/dragged_tab_controller_gtk.cc
@@ -21,6 +21,7 @@
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "ui/base/gtk/gtk_screen_util.h"
 #include "ui/gfx/screen.h"
 
@@ -786,7 +787,7 @@ void DraggedTabControllerGtk::ResetDelegates() {
 void DraggedTabControllerGtk::EnsureDraggedView() {
   if (!dragged_view_.get()) {
     gfx::Rect rect;
-    drag_data_->GetSourceWebContents()->GetContainerBounds(&rect);
+    drag_data_->GetSourceWebContents()->GetView()->GetContainerBounds(&rect);
     dragged_view_.reset(new DraggedViewGtk(drag_data_.get(), mouse_offset_,
                                            rect.size()));
   }