Update SetPaintToLayer to accept LayerType

ash/common/shelf/shelf_view.cc

 // 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.
 
 #include "ash/common/shelf/shelf_view.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "ash/common/ash_constants.h"
@@ skipping 387 matching lines @@
   bounds_animator_->RemoveObserver(this);
   model_->RemoveObserver(this);
 }
 
 void ShelfView::Init() {
   model_->AddObserver(this);
 
   const ShelfItems& items(model_->items());
   for (ShelfItems::const_iterator i = items.begin(); i != items.end(); ++i) {
     views::View* child = CreateViewForItem(*i);
-    child->SetPaintToLayer(true);
+    child->SetPaintToLayer();
     view_model_->Add(child, static_cast<int>(i - items.begin()));
     AddChildView(child);
   }
   overflow_button_ = new OverflowButton(this, wm_shelf_);
   overflow_button_->set_context_menu_controller(this);
   ConfigureChildView(overflow_button_);
   AddChildView(overflow_button_);
 
   // We'll layout when our bounds change.
 }
@@ skipping 966 matching lines @@
     if (SameDragType(model_->items()[i].type, type)) {
       if (min_index == -1)
         min_index = i;
       max_index = i;
     }
   }
   return std::pair<int, int>(min_index, max_index);
 }
 
 void ShelfView::ConfigureChildView(views::View* view) {
-  view->SetPaintToLayer(true);
+  view->SetPaintToLayer();
   view->layer()->SetFillsBoundsOpaquely(false);
 }
 
 void ShelfView::ToggleOverflowBubble() {
   if (IsShowingOverflowBubble()) {
     overflow_bubble_->Hide();
     return;
   }
 
   if (!overflow_bubble_)
@@ skipping 472 matching lines @@
 
 int ShelfView::CalculateShelfDistance(const gfx::Point& coordinate) const {
   const gfx::Rect bounds = GetBoundsInScreen();
   int distance = wm_shelf_->SelectValueForShelfAlignment(
       bounds.y() - coordinate.y(), coordinate.x() - bounds.right(),
       bounds.x() - coordinate.x());
   return distance > 0 ? distance : 0;
 }
 
 }  // namespace ash