First set of changes to remove ENABLE_TOUCH_ICON_LOADING compile time flag.

Source/web/WebRuntimeFeatures.cpp

Index: Source/web/WebRuntimeFeatures.cpp
diff --git a/Source/web/WebRuntimeFeatures.cpp b/Source/web/WebRuntimeFeatures.cpp
index eb374e7046068e3631e715de1569489aedf80e00..8f1ffde058e7e1fc5500963b737e1f9cbd4c93ca 100644
--- a/Source/web/WebRuntimeFeatures.cpp
+++ b/Source/web/WebRuntimeFeatures.cpp
@@ -370,6 +370,16 @@ bool WebRuntimeFeatures::isTouchEnabled()
     return RuntimeEnabledFeatures::touchEnabled();
 }
 
+void WebRuntimeFeatures::enableTouchIconLoading(bool enable)
+{
+    RuntimeEnabledFeatures::setTouchIconLoadingEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isTouchIconLoadingEnabled()
+{
+    return RuntimeEnabledFeatures::touchIconLoadingEnabled();
+}
+
 void WebRuntimeFeatures::enableWebAnimationsCSS(bool enable)
 {
     RuntimeEnabledFeatures::setWebAnimationsCSSEnabled(enable);