https://bugs.webkit.org/show_bug.cgi?id=98277

Patch by Sadrul Habib Chowdhury <sadrul@chromium.org> on 2012-10-05
Reviewed by Tony Chang.

Source/WebKit/chromium:

Allow plugins to receive drag events. This will make it possible to
perform drag-n-drop into browser plugins (and other plugins if desired).

* public/WebDragStatus.h: Added.
(WebKit):
* public/WebPlugin.h:
(WebKit):
(WebPlugin):
* src/WebPluginContainerImpl.cpp:
(WebKit::WebPluginContainerImpl::handleMouseEvent):
(WebKit::WebPluginContainerImpl::handleDragEvent):
(WebKit):
* src/WebPluginContainerImpl.h:
(WebPluginContainerImpl):

Tools:

Update the TestWebPlugin to receive drag events and print them out.

* DumpRenderTree/chromium/TestWebPlugin.cpp:
(TestWebPlugin::handleDragStatusUpdate):
* DumpRenderTree/chromium/TestWebPlugin.h:
(TestWebPlugin):

LayoutTests:

Add test to make sure that plugins receive the drag events correctly.

* platform/chromium/plugins/drag-events-expected.txt: Added.
* platform/chromium/plugins/drag-events.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@130504 268f45cc-cd09-0410-ab3c-d52691b4dbfc