Reuse submenu arrow images for trees (like the edit bookmark tree).

ui/native_theme/common_theme.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 "ui/native_theme/common_theme.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ skipping 105 matching lines @@
                               kTextSelectionBackgroundFocused, 0xDD);
   // Tooltip:
   static const SkColor kTooltipBackground = SkColorSetA(SK_ColorBLACK, 0xCC);
   static const SkColor kTooltipTextColor = SkColorSetA(SK_ColorWHITE, 0xDE);
   // Tree:
   static const SkColor kTreeBackground = SK_ColorWHITE;
   static const SkColor kTreeTextColor = SK_ColorBLACK;
   static const SkColor kTreeSelectedTextColor = SK_ColorBLACK;
   static const SkColor kTreeSelectionBackgroundColor =
       SkColorSetRGB(0xEE, 0xEE, 0xEE);
-  static const SkColor kTreeArrowColor = SkColorSetRGB(0x7A, 0x7A, 0x7A);
   // Table:
   static const SkColor kTableBackground = SK_ColorWHITE;
   static const SkColor kTableTextColor = SK_ColorBLACK;
   static const SkColor kTableSelectedTextColor = SK_ColorBLACK;
   static const SkColor kTableSelectionBackgroundColor =
       SkColorSetRGB(0xEE, 0xEE, 0xEE);
   static const SkColor kTableGroupingIndicatorColor =
       SkColorSetRGB(0xCC, 0xCC, 0xCC);
   // Material spinner/throbber:
   static const SkColor kThrobberSpinningColor = gfx::kGoogleBlue500;
@@ skipping 100 matching lines @@
     case NativeTheme::kColorId_TreeBackground:
       return kTreeBackground;
     case NativeTheme::kColorId_TreeText:
       return kTreeTextColor;
     case NativeTheme::kColorId_TreeSelectedText:
     case NativeTheme::kColorId_TreeSelectedTextUnfocused:
       return kTreeSelectedTextColor;
     case NativeTheme::kColorId_TreeSelectionBackgroundFocused:
     case NativeTheme::kColorId_TreeSelectionBackgroundUnfocused:
       return kTreeSelectionBackgroundColor;
-    case NativeTheme::kColorId_TreeArrow:
-      return kTreeArrowColor;
 
     // Table
     case NativeTheme::kColorId_TableBackground:
       return kTableBackground;
     case NativeTheme::kColorId_TableText:
       return kTableTextColor;
     case NativeTheme::kColorId_TableSelectedText:
     case NativeTheme::kColorId_TableSelectedTextUnfocused:
       return kTableSelectedTextColor;
     case NativeTheme::kColorId_TableSelectionBackgroundFocused:
@@ skipping 102 matching lines @@
   }
   if (menu_item.corner_radius > 0) {
     const SkScalar radius = SkIntToScalar(menu_item.corner_radius);
     canvas->drawRoundRect(gfx::RectToSkRect(rect), radius, radius, flags);
     return;
   }
   canvas->drawRect(gfx::RectToSkRect(rect), flags);
 }
 
 }  // namespace ui