reflow comments in platform/{mediastream,scroll}

third_party/WebKit/Source/platform/scroll/Scrollbar.cpp

 /*
  * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 47 matching lines @@
       m_draggingDocument(false),
       m_documentDragPos(0),
       m_enabled(true),
       m_scrollTimer(this, &Scrollbar::autoscrollTimerFired),
       m_overlapsResizer(false),
       m_elasticOverscroll(0),
       m_trackNeedsRepaint(true),
       m_thumbNeedsRepaint(true) {
   m_theme.registerScrollbar(*this);
 
-  // FIXME: This is ugly and would not be necessary if we fix cross-platform code to actually query for
-  // scrollbar thickness and use it when sizing scrollbars (rather than leaving one dimension of the scrollbar
-  // alone when sizing).
+  // FIXME: This is ugly and would not be necessary if we fix cross-platform
+  // code to actually query for scrollbar thickness and use it when sizing
+  // scrollbars (rather than leaving one dimension of the scrollbar alone when
+  // sizing).
   int thickness = m_theme.scrollbarThickness(controlSize);
   if (m_hostWindow)
     thickness = m_hostWindow->windowToViewportScalar(thickness);
   Widget::setFrameRect(IntRect(0, 0, thickness, thickness));
 
   m_currentPos = scrollableAreaCurrentPos();
 }
 
 Scrollbar::~Scrollbar() {
   m_theme.unregisterScrollbar(*this);
@@ skipping 214 matching lines @@
                                                   UserScroll);
   }
 }
 
 void Scrollbar::setHoveredPart(ScrollbarPart part) {
   if (part == m_hoveredPart)
     return;
 
   if (((m_hoveredPart == NoPart || part == NoPart) &&
        theme().invalidateOnMouseEnterExit())
-      // When there's a pressed part, we don't draw a hovered state, so there's no reason to invalidate.
+      // When there's a pressed part, we don't draw a hovered state, so there's
+      // no reason to invalidate.
       || m_pressedPart == NoPart)
     setNeedsPaintInvalidation(static_cast<ScrollbarPart>(m_hoveredPart | part));
 
   m_hoveredPart = part;
 }
 
 void Scrollbar::setPressedPart(ScrollbarPart part) {
   if (m_pressedPart != NoPart
-      // When we no longer have a pressed part, we can start drawing a hovered state on the hovered part.
+      // When we no longer have a pressed part, we can start drawing a hovered
+      // state on the hovered part.
       || m_hoveredPart != NoPart)
     setNeedsPaintInvalidation(
         static_cast<ScrollbarPart>(m_pressedPart | m_hoveredPart | part));
   m_pressedPart = part;
 }
 
 bool Scrollbar::gestureEvent(const PlatformGestureEvent& evt,
                              bool* shouldUpdateCapture) {
   DCHECK(shouldUpdateCapture);
   switch (evt.type()) {
@@ skipping 135 matching lines @@
   setHoveredPart(NoPart);
 }
 
 void Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent) {
   setPressedPart(NoPart);
   m_pressedPos = 0;
   m_draggingDocument = false;
   stopTimerIfNeeded();
 
   if (m_scrollableArea) {
-    // m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so we have to hit test
-    // to really know if the mouse has exited the scrollbar on a mouseUp.
+    // m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so
+    // we have to hit test to really know if the mouse has exited the scrollbar
+    // on a mouseUp.
     ScrollbarPart part = theme().hitTest(*this, mouseEvent.position());
     if (part == NoPart)
       m_scrollableArea->mouseExitedScrollbar(*this);
   }
 }
 
 void Scrollbar::mouseDown(const PlatformMouseEvent& evt) {
   // Early exit for right click
   if (evt.pointerProperties().button == WebPointerProperties::Button::Right)
     return;
 
   setPressedPart(theme().hitTest(*this, evt.position()));
   int pressedPos = orientation() == HorizontalScrollbar
                        ? convertFromRootFrame(evt.position()).x()
                        : convertFromRootFrame(evt.position()).y();
 
   if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) &&
       theme().shouldCenterOnThumb(*this, evt)) {
     setHoveredPart(ThumbPart);
     setPressedPart(ThumbPart);
     m_dragOrigin = m_currentPos;
     int thumbLen = theme().thumbLength(*this);
     int desiredPos = pressedPos;
-    // Set the pressed position to the middle of the thumb so that when we do the move, the delta
-    // will be from the current pixel position of the thumb to the new desired position for the thumb.
+    // Set the pressed position to the middle of the thumb so that when we do
+    // the move, the delta will be from the current pixel position of the thumb
+    // to the new desired position for the thumb.
     m_pressedPos = theme().trackPosition(*this) + theme().thumbPosition(*this) +
                    thumbLen / 2;
     moveThumb(desiredPos);
     return;
   }
   if (m_pressedPart == ThumbPart)
     m_dragOrigin = m_currentPos;
 
   m_pressedPos = pressedPos;
 
@@ skipping 106 matching lines @@
     invalidParts = AllParts;
   if (invalidParts & ~ThumbPart)
     m_trackNeedsRepaint = true;
   if (invalidParts & ThumbPart)
     m_thumbNeedsRepaint = true;
   if (m_scrollableArea)
     m_scrollableArea->setScrollbarNeedsPaintInvalidation(orientation());
 }
 
 }  // namespace blink