Mouse press should focus on any types of form controls.

Source/core/html/InputType.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 177 matching lines @@
     virtual void handleKeypressEvent(KeyboardEvent*);
     virtual void handleKeyupEvent(KeyboardEvent*);
     virtual void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*);
     virtual void handleTouchEvent(TouchEvent*);
     virtual void forwardEvent(Event*);
     // Helpers for event handlers.
     virtual bool shouldSubmitImplicitly(Event*);
     virtual PassRefPtr<HTMLFormElement> formForSubmission() const;
     virtual bool hasCustomFocusLogic() const;
     virtual bool isKeyboardFocusable(KeyboardEvent*) const;
-    virtual bool isMouseFocusable() const;
+    virtual bool shouldShowFocusRingOnMouseFocus() const;
     virtual bool shouldUseInputMethod() const;
     virtual void handleFocusEvent(Node* oldFocusedNode, FocusDirection);
     virtual void handleBlurEvent();
     virtual void accessKeyAction(bool sendMouseEvents);
     virtual bool canBeSuccessfulSubmitButton();
     virtual void subtreeHasChanged();
     virtual bool hasTouchEventHandler() const;
 
     virtual void blur();
 
@@ skipping 100 matching lines @@
 private:
     // Helper for stepUp()/stepDown(). Adds step value * count to the current value.
     void applyStep(int count, AnyStepHandling, TextFieldEventBehavior, ExceptionCode&);
 
     // Raw pointer because the HTMLInputElement object owns this InputType object.
     HTMLInputElement* m_element;
 };
 
 } // namespace WebCore
 #endif