Fix several corner case issues of scrollbar paint invalidation

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index a60e4478053bdea77f3b00b9441c428d745316db..4f34812a899453c5f68d9641b9954ed132c9b619 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -254,6 +254,18 @@ crbug.com/535408 fast/js/function-bind.html [ NeedsManualRebaseline ]
 
 crbug.com/552574 fast/js/regexp-caching.html [ NeedsManualRebaseline ]
 
+crbug.com/560418 compositing/squashing/iframe-inside-squashed-layer.html [ NeedsRebaseline ]
+crbug.com/560418 svg/as-object/nested-embedded-svg-size-changes-no-layout-triggers-1.html [ NeedsRebaseline ]
+crbug.com/560418 svg/as-object/nested-embedded-svg-size-changes-no-layout-triggers-2.html [ NeedsRebaseline ]
+crbug.com/560418 virtual/syncpaint/fast/repaint/details-open-repaint.html [ NeedsRebaseline ]
+crbug.com/560418 virtual/syncpaint/fast/repaint/overflow-scroll-body-appear.html [ NeedsRebaseline ]
+crbug.com/560418 virtual/syncpaint/fast/repaint/resize-scrollable-iframe.html [ NeedsRebaseline ]
+crbug.com/560418 fast/repaint/details-open-repaint.html [ NeedsRebaseline ]
+crbug.com/560418 fast/repaint/line-flow-with-floats-9.html [ NeedsRebaseline ]
+crbug.com/560418 fast/repaint/overflow-scroll-body-appear.html [ NeedsRebaseline ]
+crbug.com/560418 fast/repaint/resize-scrollable-iframe.html [ NeedsRebaseline ]
+crbug.com/560418 virtual/syncpaint/fast/repaint/line-flow-with-floats-9.html [ NeedsRebaseline ]
+
 crbug.com/498539 http/tests/inspector/elements/styles/selector-line.html [ Pass Timeout ]
 crbug.com/498539 http/tests/inspector/network/network-datareceived.html [ Pass Timeout ]
 crbug.com/498539 [ Win ] inspector/tracing/decode-resize.html [ Failure Timeout ]