Vectorize the remaining material design shelf icons

ash/shelf/overflow_button.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/shelf/overflow_button.h"
 
+#include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_widget.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image_skia_operations.h"
+#include "ui/gfx/paint_vector_icon.h"
 #include "ui/gfx/skbitmap_operations.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/gfx/transform.h"
+#include "ui/gfx/vector_icons_public.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
 OverflowButton::OverflowButton(views::ButtonListener* listener, Shelf* shelf)
     : CustomButton(listener), bottom_image_(nullptr), shelf_(shelf) {
-  ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
-  bottom_image_ = rb->GetImageNamed(IDR_ASH_SHELF_OVERFLOW).ToImageSkia();
+  if (MaterialDesignController::IsShelfMaterial()) {
+    bottom_image_md_ =
+        CreateVectorIcon(gfx::VectorIconId::SHELF_OVERFLOW, kShelfIconColor);
+    bottom_image_ = &bottom_image_md_;
+  } else {
+    bottom_image_ = ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
+        IDR_ASH_SHELF_OVERFLOW);
+  }
 
   SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
   SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_OVERFLOW_NAME));
 }
 
 OverflowButton::~OverflowButton() {}
 
 void OverflowButton::OnShelfAlignmentChanged() {
   SchedulePaint();
 }
@@ skipping 95 matching lines @@
           bounds.x() + (bounds.width() - background->width()) / 2,
           bounds.y() + ShelfLayoutManager::kShelfItemInset,
           background->width(), background->height());
     }
   }
 
   return bounds;
 }
 
 }  // namespace ash