https://bugs.webkit.org/show_bug.cgi?id=94123

Reviewed by Antonio Gomes.

Reviewed internally by Leo Yang, Jacky Jiang.
PR 178305

* Api/WebPage.cpp:
(BlackBerry::WebKit::WebPagePrivate::setLoadState):Reset the scales and
the user scalable flag if we're reloading from an error page.
(BlackBerry::WebKit::WebPagePrivate::updateViewportSize): Don't update the
viewport size if we're still in the WebPagePrivate::init method.
(BlackBerry::WebKit::WebPagePrivate::zoomToInitialScaleOnLoad):
Properly set the shouldZoom flag if we're not going to restore the
view state.
* WebCoreSupport/FrameLoaderClientBlackBerry.cpp:
(WebCore::FrameLoaderClientBlackBerry::FrameLoaderClientBlackBerry):
(WebCore::FrameLoaderClientBlackBerry::dispatchDidCommitLoad): Set the
ViewState's shouldSaveViewState flag if we're coming from an error page.
(WebCore::FrameLoaderClientBlackBerry::saveViewStateToItem): Set the
new member variable m_shouldRestoreViewState based on the ViewState's
shouldSaveViewState flag.
(WebCore::FrameLoaderClientBlackBerry::restoreViewState): Added early
return if m_shouldRestoreViewState is false.
* WebCoreSupport/FrameLoaderClientBlackBerry.h: Add new method to have
the client track whether we should restore the view state.
(WebCore::FrameLoaderClientBlackBerry::shouldRestoreViewState):
(FrameLoaderClientBlackBerry):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@125803 268f45cc-cd09-0410-ab3c-d52691b4dbfc