Merge 145319

Merge 145319
> [chromium] Set the Helper Plugin's URL to that of the host document.
> https://bugs.webkit.org/show_bug.cgi?id=111913
> 
> This allows content settings, etc. to be based on the document hosting
> the element that requested the Helper Plugin.
> 
> Patch by David Dorwin <ddorwin@chromium.org>; on 2013-03-09
> Reviewed by Adam Barth.
> 
> * src/WebHelperPluginImpl.cpp:
> (WebKit::writeDocument):
> (WebKit::WebHelperPluginImpl::initialize):
> (WebKit::WebHelperPluginImpl::initializePage):
> * src/WebHelperPluginImpl.h:
> (WebKit):
> (WebHelperPluginImpl):
> * src/WebMediaPlayerClientImpl.cpp:
> (WebKit::WebMediaPlayerClientImpl::createHelperPlugin):
> * src/WebViewImpl.cpp:
> (WebKit::WebViewImpl::createHelperPlugin):
> * src/WebViewImpl.h:
> (WebViewImpl):

TBR=commit-queue@webkit.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=145646

[scherkus (not reviewing), 2013-03-13 01:00:44]

Committed patchset #1 manually as r145646.