Remove setting for disabling cc touch hit testing.

Source/core/page/scrolling/ScrollingCoordinator.cpp

Index: Source/core/page/scrolling/ScrollingCoordinator.cpp
diff --git a/Source/core/page/scrolling/ScrollingCoordinator.cpp b/Source/core/page/scrolling/ScrollingCoordinator.cpp
index 29d32e62a55265d45a37ec489e66b16bfcfbab65..a0ea5eb12a7c0b1445ce528ec60128dfed128432 100644
--- a/Source/core/page/scrolling/ScrollingCoordinator.cpp
+++ b/Source/core/page/scrolling/ScrollingCoordinator.cpp
@@ -98,15 +98,6 @@ ScrollingCoordinator::~ScrollingCoordinator()
 {
 }
 
-bool ScrollingCoordinator::touchHitTestingEnabled() const
-{
-    if (!m_page->mainFrame()->isLocalFrame())
-        return false;
-    RenderView* contentRenderer = m_page->deprecatedLocalMainFrame()->contentRenderer();
-    Settings* settings = m_page->mainFrame()->settings();
-    return RuntimeEnabledFeatures::touchEnabled() && settings->compositorTouchHitTesting() && contentRenderer && contentRenderer->usesCompositing();
-}
-
 void ScrollingCoordinator::setShouldHandleScrollGestureOnMainThreadRegion(const Region& region)
 {
     if (!m_page->mainFrame()->isLocalFrame())
@@ -526,7 +517,7 @@ void ScrollingCoordinator::updateTouchEventTargetRectsIfNeeded()
 {
     TRACE_EVENT0("input", "ScrollingCoordinator::updateTouchEventTargetRectsIfNeeded");
 
-    if (!touchHitTestingEnabled())
+    if (!RuntimeEnabledFeatures::touchEnabled())
         return;
 
     LayerHitTestRects touchEventTargetRects;
@@ -590,7 +581,7 @@ void ScrollingCoordinator::setTouchEventTargetRects(LayerHitTestRects& layerRect
 
 void ScrollingCoordinator::touchEventTargetRectsDidChange()
 {
-    if (!touchHitTestingEnabled())
+    if (!RuntimeEnabledFeatures::touchEnabled())
         return;
 
     // Wait until after layout to update.
@@ -822,7 +813,7 @@ static void accumulateDocumentTouchEventTargetRects(LayerHitTestRects& rects, co
 void ScrollingCoordinator::computeTouchEventTargetRects(LayerHitTestRects& rects)
 {
     TRACE_EVENT0("input", "ScrollingCoordinator::computeTouchEventTargetRects");
-    ASSERT(touchHitTestingEnabled());
+    ASSERT(RuntimeEnabledFeatures::touchEnabled());
 
     Document* document = m_page->deprecatedLocalMainFrame()->document();
     if (!document || !document->view())