Mouse press should focus on any types of form controls.

Source/core/dom/EventDispatcher.cpp

Index: Source/core/dom/EventDispatcher.cpp
diff --git a/Source/core/dom/EventDispatcher.cpp b/Source/core/dom/EventDispatcher.cpp
index 2e6b5d01a82c489b55b66d230cce73265cfea2d5..bf9f40bf0f9796c5b60dab82b80b29348bdcf2b1 100644
--- a/Source/core/dom/EventDispatcher.cpp
+++ b/Source/core/dom/EventDispatcher.cpp
@@ -199,6 +199,7 @@ inline void EventDispatcher::dispatchEventPostProcess(void* preDispatchEventHand
     // implementation detail and not part of the DOM.
     if (!m_event->defaultPrevented() && !m_event->defaultHandled()) {
         // Non-bubbling events call only one default event handler, the one for the target.
+        m_node->willCallDefaultEventHandler(*m_event);
         m_node->defaultEventHandler(m_event.get());
         ASSERT(!m_event->defaultPrevented());
         if (m_event->defaultHandled())
@@ -208,6 +209,7 @@ inline void EventDispatcher::dispatchEventPostProcess(void* preDispatchEventHand
         if (m_event->bubbles()) {
             size_t size = m_event->eventPath().size();
             for (size_t i = 1; i < size; ++i) {
+                m_event->eventPath()[i]->node()->willCallDefaultEventHandler(*m_event);
                 m_event->eventPath()[i]->node()->defaultEventHandler(m_event.get());
                 ASSERT(!m_event->defaultPrevented());
                 if (m_event->defaultHandled())