https://bugs.webkit.org/show_bug.cgi?id=13061

Source/WebCore:

Implements HTMLObjectElement::appendFormData() so that object
elements respond as form associated elements.

Patch by Kenichi Ishibashi <bashi@chromium.org> on 2011-07-10
Reviewed by Anders Carlsson.

Test: plugins/form-value.html

* html/HTMLObjectElement.cpp:
(WebCore::HTMLObjectElement::appendFormData): Implemented.
* plugins/PluginViewBase.h:
(WebCore::PluginViewBase::getFormValue): Added.

Source/WebKit/mac:

Adds methods to get form value from NPAPI plugins.

Patch by Kenichi Ishibashi <bashi@chromium.org> on 2011-07-10
Reviewed by Anders Carlsson.

* Plugins/Hosted/WebHostedNetscapePluginView.h:
* Plugins/Hosted/WebHostedNetscapePluginView.mm:
(-[WebHostedNetscapePluginView getFormValue:]): Added.
* Plugins/WebBaseNetscapePluginView.h:
* Plugins/WebBaseNetscapePluginView.mm:
(-[WebBaseNetscapePluginView getFormValue:]): Added.
* Plugins/WebNetscapePluginPackage.h:
* Plugins/WebNetscapePluginPackage.mm:
(-[WebNetscapePluginPackage browserFuncs]): Added.
* Plugins/WebNetscapePluginView.h:
* Plugins/WebNetscapePluginView.mm:
(-[WebNetscapePluginView getFormValue:]): Added.
* WebCoreSupport/WebFrameLoaderClient.mm:
(NetscapePluginWidget::getFormValue): Added.

Tools:

Adds NPPVformValue support to the testing plugin.

Patch by Kenichi Ishibashi <bashi@chromium.org> on 2011-07-10
Reviewed by Anders Carlsson.

* DumpRenderTree/DumpRenderTree.xcodeproj/project.pbxproj: Added FormValue.cpp
* DumpRenderTree/TestNetScapePlugIn/Tests/FormValue.cpp: Added.
(FormValue::FormValue): Ditto.
(FormValue::NPP_GetValue): Ditto.

LayoutTests:

Adds a test that checks getting form value from plugins.
This test will pass only mac Leopard for now.

Patch by Kenichi Ishibashi <bashi@chromium.org> on 2011-07-10
Reviewed by Anders Carlsson.

* platform/chromium/test_expectations.txt: Added an entry for plugins/form-value.html.
* platform/gtk/Skipped: Ditto.
* platform/mac-snowleopard/Skipped: Ditto.
* platform/qt/Skipped: Ditto.
* platform/win/Skipped: Ditto.
* platform/wk2/Skipped: Ditto.
* plugins/form-value-expected.txt: Added.
* plugins/form-value.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@90707 268f45cc-cd09-0410-ab3c-d52691b4dbfc