Scale scrollbar in use-zoom-for-dsf mode

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 78 matching lines @@
 #include "platform/geometry/DoubleRect.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/GraphicsLayerDebugInfo.h"
 #include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/scheduler/CancellableTaskFactory.h"
 #include "platform/scroll/ScrollAnimatorBase.h"
+#include "platform/scroll/ScrollbarTheme.h"
 #include "platform/text/TextStream.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "public/platform/WebFrameScheduler.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/TemporaryChange.h"
 
 namespace blink {
 
 using namespace HTMLNames;
@@ skipping 393 matching lines @@
 }
 
 PassRefPtrWillBeRawPtr<Scrollbar> FrameView::createScrollbar(ScrollbarOrientation orientation)
 {
     Element* customScrollbarElement = nullptr;
     LocalFrame* customScrollbarFrame = nullptr;
     if (shouldUseCustomScrollbars(customScrollbarElement, customScrollbarFrame))
         return LayoutScrollbar::createCustomScrollbar(this, orientation, customScrollbarElement, customScrollbarFrame);
 
     // Nobody set a custom style, so we just use a native scrollbar.
-    return Scrollbar::create(this, orientation, RegularScrollbar);
+    return Scrollbar::create(this, orientation, RegularScrollbar, &frame().page()->chromeClient());
 }
 
 void FrameView::setContentsSize(const IntSize& size)
 {
     if (size == contentsSize())
         return;
 
     m_contentsSize = size;
     updateScrollbars(scrollOffsetDouble());
     ScrollableArea::contentsResized();
@@ skipping 2703 matching lines @@
         if (hScroll == ScrollbarAuto)
             newHasHorizontalScrollbar = false;
         if (vScroll == ScrollbarAuto)
             newHasVerticalScrollbar = false;
     }
 }
 
 void FrameView::updateScrollbarGeometry()
 {
     if (m_horizontalScrollbar) {
+        int thickness = m_horizontalScrollbar->scrollbarThickness();
         int clientWidth = visibleWidth();
         IntRect oldRect(m_horizontalScrollbar->frameRect());
         IntRect hBarRect((shouldPlaceVerticalScrollbarOnLeft() && m_verticalScrollbar) ? m_verticalScrollbar->width() : 0,
-            height() - m_horizontalScrollbar->height(),
+            height() - thickness,
             width() - (m_verticalScrollbar ? m_verticalScrollbar->width() : 0),
-            m_horizontalScrollbar->height());
+            thickness);
         m_horizontalScrollbar->setFrameRect(adjustScrollbarRectForResizer(hBarRect, *m_horizontalScrollbar));
         if (oldRect != m_horizontalScrollbar->frameRect())
             setScrollbarNeedsPaintInvalidation(HorizontalScrollbar);
 
         m_horizontalScrollbar->setEnabled(contentsWidth() > clientWidth);
         m_horizontalScrollbar->setProportion(clientWidth, contentsWidth());
         m_horizontalScrollbar->offsetDidChange();
     }
 
     if (m_verticalScrollbar) {
+        int thickness = m_verticalScrollbar->scrollbarThickness();
         int clientHeight = visibleHeight();
         IntRect oldRect(m_verticalScrollbar->frameRect());
-        IntRect vBarRect(shouldPlaceVerticalScrollbarOnLeft() ? 0 : (width() - m_verticalScrollbar->width()),
+        IntRect vBarRect(shouldPlaceVerticalScrollbarOnLeft() ? 0 : (width() - thickness),
             0,
-            m_verticalScrollbar->width(),
+            thickness,
             height() - (m_horizontalScrollbar ? m_horizontalScrollbar->height() : 0));
         m_verticalScrollbar->setFrameRect(adjustScrollbarRectForResizer(vBarRect, *m_verticalScrollbar));
         if (oldRect != m_verticalScrollbar->frameRect())
             setScrollbarNeedsPaintInvalidation(VerticalScrollbar);
 
         m_verticalScrollbar->setEnabled(contentsHeight() > clientHeight);
         m_verticalScrollbar->setProportion(clientHeight, contentsHeight());
         m_verticalScrollbar->offsetDidChange();
     }
 }
@@ skipping 757 matching lines @@
     return m_hiddenForThrottling && m_crossOriginForThrottling;
 }
 
 LayoutBox& FrameView::boxForScrollControlPaintInvalidation() const
 {
     ASSERT(layoutView());
     return *layoutView();
 }
 
 } // namespace blink