cc: Fix enum style conformance in InputHandler.

cc/layers/painted_scrollbar_layer.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 "cc/layers/painted_scrollbar_layer.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "cc/base/math_util.h"
+#include "cc/input/main_thread_scrolling_reason.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/trees/draw_property_utils.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "skia/ext/platform_canvas.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkSize.h"
@@ skipping 22 matching lines @@
     : Layer(settings),
       scrollbar_(std::move(scrollbar)),
       scroll_layer_id_(scroll_layer_id),
       internal_contents_scale_(1.f),
       thumb_thickness_(scrollbar_->ThumbThickness()),
       thumb_length_(scrollbar_->ThumbLength()),
       is_overlay_(scrollbar_->IsOverlay()),
       has_thumb_(scrollbar_->HasThumb()),
       thumb_opacity_(scrollbar_->ThumbOpacity()) {
   if (!scrollbar_->IsOverlay())
-    AddMainThreadScrollingReasons(InputHandler::SCROLL_BAR_SCROLLING);
+    AddMainThreadScrollingReasons(
+        MainThreadScrollingReason::kScrollbarScrolling);
 }
 
 PaintedScrollbarLayer::~PaintedScrollbarLayer() {}
 
 int PaintedScrollbarLayer::ScrollLayerId() const {
   return scroll_layer_id_;
 }
 
 void PaintedScrollbarLayer::SetScrollLayer(int layer_id) {
   if (layer_id == scroll_layer_id_)
@@ skipping 237 matching lines @@
 
   scrollbar_->PaintPart(&skcanvas, part, layer_rect);
   // Make sure that the pixels are no longer mutable to unavoid unnecessary
   // allocation and copying.
   skbitmap.setImmutable();
 
   return UIResourceBitmap(skbitmap);
 }
 
 }  // namespace cc