Mouse press should focus on any types of form controls.

Source/core/html/TextFieldInputType.h

 /*
  * Copyright (C) 2010 Google Inc. 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
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 61 matching lines @@
 
     virtual String convertFromVisibleValue(const String&) const;
     enum ValueChangeState {
         ValueChangeStateNone,
         ValueChangeStateChanged
     };
     virtual void didSetValueByUserEdit(ValueChangeState);
 
 private:
     virtual bool isKeyboardFocusable(KeyboardEvent*) const OVERRIDE;
-    virtual bool isMouseFocusable() const OVERRIDE;
+    virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE;
     virtual bool isTextField() const OVERRIDE;
     virtual bool valueMissing(const String&) const OVERRIDE;
     virtual void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) OVERRIDE;
     virtual void forwardEvent(Event*) OVERRIDE;
     virtual bool shouldSubmitImplicitly(Event*) OVERRIDE;
     virtual RenderObject* createRenderer(RenderStyle*) const OVERRIDE;
     virtual bool shouldUseInputMethod() const OVERRIDE;
     virtual String sanitizeValue(const String&) const OVERRIDE;
     virtual bool shouldRespectListAttribute() OVERRIDE;
     virtual HTMLElement* placeholderElement() const OVERRIDE;
@@ skipping 14 matching lines @@
     RefPtr<HTMLElement> m_placeholder;
     RefPtr<SpinButtonElement> m_innerSpinButton;
 #if ENABLE(INPUT_SPEECH)
     RefPtr<HTMLElement> m_speechButton;
 #endif
 };
 
 } // namespace WebCore
 
 #endif // TextFieldInputType_h