| Index: third_party/WebKit/Source/platform/exported/WebScrollbarThemeClientImpl.cpp
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| diff --git a/third_party/WebKit/Source/platform/exported/WebScrollbarThemeClientImpl.cpp b/third_party/WebKit/Source/platform/exported/WebScrollbarThemeClientImpl.cpp
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| index 2858c79475576c3530cd140f81178ff25545ae81..4e850322df6fef56e0743e9095d23e6ce687e34b 100644
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| --- a/third_party/WebKit/Source/platform/exported/WebScrollbarThemeClientImpl.cpp
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| +++ b/third_party/WebKit/Source/platform/exported/WebScrollbarThemeClientImpl.cpp
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| @@ -168,7 +168,9 @@ void WebScrollbarThemeClientImpl::styleChanged() {
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|    ASSERT_NOT_REACHED();
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|  }
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|  
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| -void WebScrollbarThemeClientImpl::visibilityChanged() {}
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| +void WebScrollbarThemeClientImpl::setScrollbarsHidden(bool hidden) {
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| +  ASSERT_NOT_REACHED();
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| +}
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|  
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|  bool WebScrollbarThemeClientImpl::enabled() const {
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|    return m_scrollbar.enabled();
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| 
 |