Remove some unused functions in WebRuntimeFeatures

Source/web/WebRuntimeFeatures.cpp

Index: Source/web/WebRuntimeFeatures.cpp
diff --git a/Source/web/WebRuntimeFeatures.cpp b/Source/web/WebRuntimeFeatures.cpp
index 0f4a2153c506e5c9922fd89925474459606b4bc4..520228e0c23238a60ccba489682227021d60fa03 100644
--- a/Source/web/WebRuntimeFeatures.cpp
+++ b/Source/web/WebRuntimeFeatures.cpp
@@ -125,11 +125,6 @@ void WebRuntimeFeatures::enableGamepad(bool enable)
     RuntimeEnabledFeatures::setGamepadEnabled(enable);
 }
 
-void WebRuntimeFeatures::enableLazyLayout(bool enable)
-{
-    // FIXME: Remove this once Chromium stops calling this.
-}
-
 void WebRuntimeFeatures::enableLocalStorage(bool enable)
 {
     RuntimeEnabledFeatures::setLocalStorageEnabled(enable);
@@ -215,12 +210,6 @@ void WebRuntimeFeatures::enableTouchIconLoading(bool enable)
     RuntimeEnabledFeatures::setTouchIconLoadingEnabled(enable);
 }
 
-void WebRuntimeFeatures::enableWebAnimationsCSS(bool enable)
-{
-    // FIXME: Remove this method once the runtime flags are removed from Chromium.
-    ASSERT(enable);
-}
-
 void WebRuntimeFeatures::enableWebAnimationsSVG(bool enable)
 {
     RuntimeEnabledFeatures::setWebAnimationsSVGEnabled(enable);