https://bugs.webkit.org/show_bug.cgi?id=105129

Patch by Anthony Scian <ascian@rim.com> on 2012-12-17
Reviewed by Rob Buis.

Source/WebCore:

- alloca can return NULL, recoded to just use a temp var

* plugins/blackberry/PluginViewBlackBerry.cpp:
(WebCore::PluginView::updateBuffer):

Source/WebKit/blackberry:

- disable copy/op= in BackingStore
- cache and check intermediate values in parentLayer
- disable copy/op= in InRegionScroller
- disable copy/op= in WebPageGroupLoadDeferrer
- disable copy/op= in WebSettings
- disable copy/op= in WebViewportArguments
- disable copy/op= in BackingStoreClient
- disable copy/op= in TileBuffer
- if stopNode is not NULL, loop could iterate past NULL; added NULL check to loop
  to make the code more robust

* Api/BackingStore.h:
* Api/InRegionScroller.cpp:
(BlackBerry::WebKit::InRegionScrollerPrivate::calculateInRegionScrollableAreasForPoint):
(BlackBerry::WebKit::parentLayer):
* Api/InRegionScroller.h:
* Api/WebPageGroupLoadDeferrer.h:
* Api/WebSettings.h:
* Api/WebViewportArguments.h:
* WebKitSupport/BackingStoreClient.h:
(BackingStoreClient):
* WebKitSupport/BackingStoreTile.h:
(TileBuffer):
* WebKitSupport/DOMSupport.cpp:
(BlackBerry::WebKit::DOMSupport::visibleTextQuads):

Tools:

Added null checks for fopen calls, no recovery attempted; access fault prevention only.

* DumpRenderTree/blackberry/DumpRenderTree.cpp:
(BlackBerry::WebKit::createFile):
(BlackBerry::WebKit::DumpRenderTree::runTest):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@137908 268f45cc-cd09-0410-ab3c-d52691b4dbfc