Allow objects without scrollbars to be scrollable

Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp

Index: Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp
diff --git a/Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp b/Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp
index 4bb7bb8863675325803b06ed877247df6176dd7c..7a3f5e0239998b995636e0681081a5abe8a12011 100644
--- a/Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp
+++ b/Source/core/platform/chromium/support/WebScrollbarThemeClientImpl.cpp
@@ -183,18 +183,6 @@ WebCore::ScrollbarControlSize WebScrollbarThemeClientImpl::controlSize() const
     return static_cast<WebCore::ScrollbarControlSize>(m_scrollbar->controlSize());
 }
 
-int WebScrollbarThemeClientImpl::lineStep() const
-{
-    ASSERT_NOT_REACHED();
-    return 0;
-}
-
-int WebScrollbarThemeClientImpl::pageStep() const
-{
-    ASSERT_NOT_REACHED();
-    return 0;
-}
-
 WebCore::ScrollbarPart WebScrollbarThemeClientImpl::pressedPart() const
 {
     return static_cast<WebCore::ScrollbarPart>(m_scrollbar->pressedPart());