Code change was partially based on Apple's iOS code and Samuel Nevala's work.
https://bugs.webkit.org/show_bug.cgi?id=32509

Patch by Chang Shu <cshu@webkit.org> on 2011-08-23
Reviewed by Alexey Proskuryakov.

Source/WebCore:

* editing/InsertIntoTextNodeCommand.cpp:
(WebCore::InsertIntoTextNodeCommand::doApply):
* rendering/RenderText.cpp:
(WebCore::SecureTextTimer::SecureTextTimer):
(WebCore::SecureTextTimer::restartWithNewText):
(WebCore::SecureTextTimer::invalidate):
(WebCore::SecureTextTimer::lastTypedCharacterOffset):
(WebCore::SecureTextTimer::fired):
(WebCore::RenderText::willBeDestroyed):
(WebCore::RenderText::setTextInternal):
(WebCore::RenderText::secureText):
(WebCore::RenderText::momentarilyRevealLastTypedCharacter):
* rendering/RenderText.h:
(WebCore::RenderText::isSecure):
* testing/Internals.cpp:
(WebCore::Internals::setPasswordEchoEnabled): Fixed some silly coding in Internals.
(WebCore::Internals::setPasswordEchoDurationInSeconds):
(WebCore::Internals::reset):

LayoutTests:

Updated failed expected files.

* editing/input/password-echo-passnode-expected.txt:
* editing/input/password-echo-passnode2-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@93656 268f45cc-cd09-0410-ab3c-d52691b4dbfc