Replace gfx::ScopedSkRegion with scoped_ptr<SkRegion>.

chrome/browser/ui/views/extensions/shell_window_views.cc

Index: chrome/browser/ui/views/extensions/shell_window_views.cc
diff --git a/chrome/browser/ui/views/extensions/shell_window_views.cc b/chrome/browser/ui/views/extensions/shell_window_views.cc
index e4af1287fee02453ace241e6305e78bf986d52ad..22db41141f7bc944c613ff99f7feac5324c32b00 100644
--- a/chrome/browser/ui/views/extensions/shell_window_views.cc
+++ b/chrome/browser/ui/views/extensions/shell_window_views.cc
@@ -526,8 +526,8 @@ void ShellWindowViews::OnViewWasResized() {
 
   SkRegion* rgn = new SkRegion;
   if (!window_->IsFullscreen()) {
-    if (draggable_region_.Get())
-      rgn->op(*draggable_region_.Get(), SkRegion::kUnion_Op);
+    if (draggable_region())
+      rgn->op(*draggable_region(), SkRegion::kUnion_Op);
     if (!window_->IsMaximized()) {
       if (frameless_)
         rgn->op(0, 0, width, kResizeInsideBoundsSize, SkRegion::kUnion_Op);
@@ -577,7 +577,7 @@ void ShellWindowViews::UpdateDraggableRegions(
                          SkRegion::kDifference_Op);
   }
 
-  draggable_region_.Set(draggable_region);
+  draggable_region_.reset(draggable_region);
   OnViewWasResized();
 }