Remove display:run-in as per https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/_tHSX…

Source/core/rendering/RenderSlider.cpp

Index: Source/core/rendering/RenderSlider.cpp
diff --git a/Source/core/rendering/RenderSlider.cpp b/Source/core/rendering/RenderSlider.cpp
index f3e562d898820034904b77a364e41600a491f3b1..425ec5795e9958ef7c0a79ce231ae3b6b2e63d38 100644
--- a/Source/core/rendering/RenderSlider.cpp
+++ b/Source/core/rendering/RenderSlider.cpp
@@ -44,11 +44,6 @@ RenderSlider::~RenderSlider()
 {
 }
 
-bool RenderSlider::canBeReplacedWithInlineRunIn() const
-{
-    return false;
-}
-
 int RenderSlider::baselinePosition(FontBaseline, bool /*firstLine*/, LineDirectionMode, LinePositionMode linePositionMode) const
 {
     ASSERT(linePositionMode == PositionOnContainingLine);