reflow comments in core/paint

third_party/WebKit/Source/core/paint/ScrollableAreaPainter.cpp

 // Copyright 2014 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 "core/paint/ScrollableAreaPainter.h"
 
 #include "core/layout/LayoutView.h"
 #include "core/page/Page.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/ObjectPaintProperties.h"
@@ skipping 30 matching lines @@
 
   if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
           context, getScrollableArea().box(), DisplayItem::kResizer))
     return;
 
   LayoutObjectDrawingRecorder recorder(context, getScrollableArea().box(),
                                        DisplayItem::kResizer, absRect);
 
   drawPlatformResizerImage(context, absRect);
 
-  // Draw a frame around the resizer (1px grey line) if there are any scrollbars present.
-  // Clipping will exclude the right and bottom edges of this frame.
+  // Draw a frame around the resizer (1px grey line) if there are any scrollbars
+  // present.  Clipping will exclude the right and bottom edges of this frame.
   if (!getScrollableArea().hasOverlayScrollbars() &&
       getScrollableArea().hasScrollbar()) {
     GraphicsContextStateSaver stateSaver(context);
     context.clip(absRect);
     IntRect largerCorner = absRect;
     largerCorner.setSize(
         IntSize(largerCorner.width() + 1, largerCorner.height() + 1));
     context.setStrokeColor(Color(217, 217, 217));
     context.setStrokeThickness(1.0f);
     context.setFillColor(Color::transparent);
@@ skipping 48 matching lines @@
   // Don't do anything if we have no overflow.
   if (!getScrollableArea().box().hasOverflowClip())
     return;
 
   IntPoint adjustedPaintOffset = paintOffset;
   if (paintingOverlayControls)
     adjustedPaintOffset = getScrollableArea().cachedOverlayScrollbarOffset();
 
   CullRect adjustedCullRect(cullRect, -adjustedPaintOffset);
 
-  // Overlay scrollbars paint in a second pass through the layer tree so that they will paint
-  // on top of everything else. If this is the normal painting pass, paintingOverlayControls
-  // will be false, and we should just tell the root layer that there are overlay scrollbars
-  // that need to be painted. That will cause the second pass through the layer tree to run,
-  // and we'll paint the scrollbars then. In the meantime, cache tx and ty so that the
-  // second pass doesn't need to re-enter the LayoutTree to get it right.
+  // Overlay scrollbars paint in a second pass through the layer tree so that
+  // they will paint on top of everything else. If this is the normal painting
+  // pass, paintingOverlayControls will be false, and we should just tell the
+  // root layer that there are overlay scrollbars that need to be painted. That
+  // will cause the second pass through the layer tree to run, and we'll paint
+  // the scrollbars then. In the meantime, cache tx and ty so that the second
+  // pass doesn't need to re-enter the LayoutTree to get it right.
   if (getScrollableArea().hasOverlayScrollbars() && !paintingOverlayControls) {
     getScrollableArea().setCachedOverlayScrollbarOffset(paintOffset);
-    // It's not necessary to do the second pass if the scrollbars paint into layers.
+    // It's not necessary to do the second pass if the scrollbars paint into
+    // layers.
     if ((getScrollableArea().horizontalScrollbar() &&
          getScrollableArea().layerForHorizontalScrollbar()) ||
         (getScrollableArea().verticalScrollbar() &&
          getScrollableArea().layerForVerticalScrollbar()))
       return;
     if (!overflowControlsIntersectRect(adjustedCullRect))
       return;
 
     LayoutView* layoutView = getScrollableArea().box().view();
 
@@ skipping 40 matching lines @@
           context, *getScrollableArea().verticalScrollbar(),
           AffineTransform::translation(adjustedPaintOffset.x(),
                                        adjustedPaintOffset.y()));
       getScrollableArea().verticalScrollbar()->paint(context, adjustedCullRect);
     }
   }
 
   if (getScrollableArea().layerForScrollCorner())
     return;
 
-  // We fill our scroll corner with white if we have a scrollbar that doesn't run all the way up to the
-  // edge of the box.
+  // We fill our scroll corner with white if we have a scrollbar that doesn't
+  // run all the way up to the edge of the box.
   paintScrollCorner(context, adjustedPaintOffset, cullRect);
 
   // Paint our resizer last, since it sits on top of the scroll corner.
   paintResizer(context, adjustedPaintOffset, cullRect);
 }
 
 bool ScrollableAreaPainter::overflowControlsIntersectRect(
     const CullRect& cullRect) const {
   const IntRect borderBox =
       getScrollableArea().box().pixelSnappedBorderBoxRect();
@@ skipping 45 matching lines @@
   LayoutObjectDrawingRecorder recorder(context, getScrollableArea().box(),
                                        DisplayItem::kScrollbarCorner, absRect);
   context.fillRect(absRect, Color::white);
 }
 
 PaintLayerScrollableArea& ScrollableAreaPainter::getScrollableArea() const {
   return *m_scrollableArea;
 }
 
 }  // namespace blink