Disable hover state change for touch event on page with viewport meta and mobile.

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 071ff8f9a928767f6c2c6724e99e7db0e5c0c96a..91cff48e71d5e7e36d801ff2d2824f68e57e9c89 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -144,6 +144,7 @@
 #include "core/frame/LocalFrameView.h"
 #include "core/frame/PerformanceMonitor.h"
 #include "core/frame/Settings.h"
+#include "core/frame/VisualViewport.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/DocumentNameCollection.h"
 #include "core/html/HTMLAllCollection.h"
@@ -6411,6 +6412,12 @@ void Document::UpdateHoverActiveState(const HitTestRequest& request,
       SetActiveHoverElement(new_active_element);
     }
   }
+
+  // Do not set hover state if event is from touch and on mobile.
+  if (request.TouchEvent() && GetPage() &&
+      GetPage()->GetVisualViewport().ShouldDisableDesktopWorkarounds())
+    return;
+
   // If the mouse has just been pressed, set :active on the chain. Those (and
   // only those) nodes should remain :active until the mouse is released.
   bool allow_active_changes = !old_active_element && ActiveHoverElement();