Avoid false-positives of under-invalidation checking

Source/core/paint/BoxPainter.cpp

Index: Source/core/paint/BoxPainter.cpp
diff --git a/Source/core/paint/BoxPainter.cpp b/Source/core/paint/BoxPainter.cpp
index 83ecb5abd8d4154346ddff31205527813becbac5..535068dedaceef9a3ccaa1418b3a1dd79ede394e 100644
--- a/Source/core/paint/BoxPainter.cpp
+++ b/Source/core/paint/BoxPainter.cpp
@@ -101,7 +101,7 @@ void BoxPainter::paintBoxDecorationBackgroundWithRect(const PaintInfo& paintInfo
     // For now we don't have notification on media buffered range change from media player
     // and miss paint invalidation on buffered range chagne. crbug.com/484288.
     if (style.appearance() == MediaSliderPart)
-        recorder.setSkipUnderInvalidationChecking();
+        recorder.setUnderInvalidationCheckingMode(DrawingDisplayItem::DontCheck);

[chrishtr, 2015/06/01 21:35:37]

Wrong indentation.

[Xianzhu, 2015/06/01 21:43:18]

It looks correct to me (4-space indent at line 103, 8-space indent at line 104).

 #endif
 
     // FIXME: Should eventually give the theme control over whether the box shadow should paint, since controls could have