Delete FrameView::rectToCopyOnScroll.

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

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 4784dd7466c71d63bfc859a221047804fdb73f04..cc8c55364684078cd0f94e074d8f9dd5ef979754 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -1462,7 +1462,7 @@ bool FrameView::scrollContentsFastPath(const IntSize& scrollDelta)
     return true;
 }
 
-void FrameView::scrollContentsSlowPath(const IntRect& updateRect)
+void FrameView::scrollContentsSlowPath()
 {
     TRACE_EVENT0("blink", "FrameView::scrollContentsSlowPath");
     // We need full invalidation during slow scrolling. For slimming paint, full invalidation
@@ -1493,8 +1493,6 @@ void FrameView::scrollContentsSlowPath(const IntRect& updateRect)
             return;
         }
     }
-
-    getHostWindow()->invalidateRect(updateRect);
 }
 
 void FrameView::restoreScrollbar()
@@ -2186,15 +2184,6 @@ void FrameView::updateCounters()
     }
 }
 
-IntRect FrameView::windowClipRect(IncludeScrollbarsInRect scrollbarInclusion) const
-{
-    ASSERT(m_frame->view() == this);
-
-    LayoutRect clipRect(LayoutPoint(), LayoutSize(visibleContentSize(scrollbarInclusion)));
-    layoutViewItem().mapToVisualRectInAncestorSpace(&layoutView()->containerForPaintInvalidation(), clipRect);
-    return enclosingIntRect(clipRect);
-}
-
 bool FrameView::shouldUseIntegerScrollOffset() const
 {
     if (m_frame->settings() && !m_frame->settings()->preferCompositingToLCDTextEnabled())
@@ -3660,19 +3649,6 @@ void FrameView::adjustScrollPositionFromUpdateScrollbars()
     }
 }
 
-IntRect FrameView::rectToCopyOnScroll() const
-{
-    IntRect scrollViewRect = convertToRootFrame(IntRect((shouldPlaceVerticalScrollbarOnLeft() && verticalScrollbar()) ? verticalScrollbar()->width() : 0, 0, visibleWidth(), visibleHeight()));
-    if (hasOverlayScrollbars()) {
-        int verticalScrollbarWidth = (verticalScrollbar() && !hasLayerForVerticalScrollbar()) ? verticalScrollbar()->width() : 0;
-        int horizontalScrollbarHeight = (horizontalScrollbar() && !hasLayerForHorizontalScrollbar()) ? horizontalScrollbar()->height() : 0;
-
-        scrollViewRect.setWidth(scrollViewRect.width() - verticalScrollbarWidth);
-        scrollViewRect.setHeight(scrollViewRect.height() - horizontalScrollbarHeight);
-    }
-    return scrollViewRect;
-}
-
 void FrameView::scrollContentsIfNeeded()
 {
     if (m_pendingScrollDelta.isZero())
@@ -3691,12 +3667,8 @@ void FrameView::scrollContents(const IntSize& scrollDelta)
 
     TRACE_EVENT0("blink", "FrameView::scrollContents");
 
-    IntRect clipRect = windowClipRect();
-    IntRect updateRect = clipRect;
-    updateRect.intersect(rectToCopyOnScroll());
-
     if (!scrollContentsFastPath(-scrollDelta))
-        scrollContentsSlowPath(updateRect);
+        scrollContentsSlowPath();
 
     // This call will move children with native widgets (plugins) and invalidate them as well.
     frameRectsChanged();