Improve painting of cros tray separators.

ash/common/system/tray/tray_constants.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/system/tray/tray_constants.h"
 
 #include "base/logging.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/color_palette.h"
 
@@ skipping 76 matching lines @@
 const int kMenuIconSize = 20;
 const SkColor kMenuIconColor = gfx::kChromeIconGrey;
 const SkColor kMenuIconColorDisabled = SkColorSetA(gfx::kChromeIconGrey, 0x61);
 const int kMenuButtonSize = 48;
 const int kMenuSeparatorVerticalPadding = 4;
 const int kMenuExtraMarginFromLeftEdge = 4;
 const int kMenuEdgeEffectivePadding =
     kMenuExtraMarginFromLeftEdge + (kMenuButtonSize - kMenuIconSize) / 2;
 
 const int kHitRegionPadding = 4;
-const SkColor kTraySeparatorColor = SkColorSetA(SK_ColorWHITE, 0x99);
 const int kSeparatorWidth = 1;
 
 const SkColor kMenuSeparatorColor = SkColorSetA(SK_ColorBLACK, 0x1F);
 
 const SkColor kTrayPopupInkDropBaseColor = SK_ColorBLACK;
 const float kTrayPopupInkDropRippleOpacity = 0.06f;
 const float kTrayPopupInkDropHighlightOpacity = 0.08f;
 const int kTrayPopupInkDropInset = 4;
 const int kTrayPopupInkDropCornerRadius = 2;
 
@@ skipping 41 matching lines @@
     case TRAY_IME_MENU_ICON:
       return kTrayImeMenuIcon[mode];
     case TRAY_IMAGE_ITEM_PADDING:
       return kTrayImageItemPadding[mode];
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace ash