ash: Clean up naming of paint-related identifiers

ash/common/wm/overview/window_selector.cc

 // Copyright 2013 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/wm/overview/window_selector.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 #include <utility>
@@ skipping 98 matching lines @@
   void OnPaint(gfx::Canvas* canvas) override {
     views::View::OnPaint(canvas);
 
     SkScalar radius = SkIntToScalar(corner_radius_);
     const SkScalar kRadius[8] = {radius, radius, radius, radius,
                                  radius, radius, radius, radius};
     SkPath path;
     gfx::Rect bounds(size());
     path.addRoundRect(gfx::RectToSkRect(bounds), kRadius);
 
-    cc::PaintFlags paint;
-    paint.setAntiAlias(true);
     canvas->ClipPath(path, true);
     canvas->DrawColor(background_);
   }
 
  private:
   int corner_radius_;
   SkColor background_;
 
   DISALLOW_COPY_AND_ASSIGN(RoundedContainerView);
 };
@@ skipping 534 matching lines @@
   for (size_t i = 0; i <= grid_list_.size() &&
                      grid_list_[selected_grid_index_]->Move(direction, animate);
        i++) {
     selected_grid_index_ =
         (selected_grid_index_ + display_direction + grid_list_.size()) %
         grid_list_.size();
   }
 }
 
 }  // namespace ash