[DevTools] Switch from blink-based to content-based touch emulation.

Source/core/frame/FrameView.cpp

Index: Source/core/frame/FrameView.cpp
diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
index ecee538419375d6ae6027cacbd01f583b4e9d840..981bbbab4abe6ac617e65531109c2e54640628f0 100644
--- a/Source/core/frame/FrameView.cpp
+++ b/Source/core/frame/FrameView.cpp
@@ -1336,7 +1336,7 @@ IntPoint FrameView::lastKnownMousePosition() const
 bool FrameView::shouldSetCursor() const
 {
     Page* page = frame().page();
-    return page && page->visibilityState() != PageVisibilityStateHidden && page->focusController().isActive();
+    return page && page->visibilityState() != PageVisibilityStateHidden && page->focusController().isActive() && page->settings().deviceSupportsMouse();
 }
 
 void FrameView::scrollContentsIfNeededRecursive()
@@ -3194,6 +3194,8 @@ AXObjectCache* FrameView::axObjectCache() const
 
 void FrameView::setCursor(const Cursor& cursor)
 {
+    if (!shouldSetCursor())
+        return;
     Page* page = frame().page();
     if (!page)
         return;