https://bugs.webkit.org/show_bug.cgi?id=78140

Source/WebCore:

Added a new helper function toText() in dom/Text.h which does the type casting operation to Text object.
Modified the code to make use of this helper function.

Patch by Joe Thomas <joethomas@motorola.com> on 2012-02-12
Reviewed by Adam Barth.

No new tests.

* accessibility/AccessibilityRenderObject.cpp:
(WebCore::accessibleNameForNode):
* bindings/v8/custom/V8NodeCustom.cpp:
(WebCore::toV8Slow):
* css/SelectorChecker.cpp:
(WebCore::SelectorChecker::checkOneSelector):
* dom/Attr.cpp:
(WebCore::Attr::childrenChanged):
* dom/Element.cpp:
(WebCore::Element::recalcStyle):
* dom/Node.cpp:
(WebCore::Node::normalize):
* dom/Position.cpp:
(WebCore::Position::containerText):
(WebCore::Position::leadingWhitespacePosition):
* dom/Range.cpp:
(WebCore::Range::insertNode):
(WebCore::Range::getBorderAndTextQuads):
* dom/ScriptElement.cpp:
(WebCore::ScriptElement::scriptContent):
* dom/ShadowRoot.cpp:
(WebCore::ShadowRoot::recalcShadowTreeStyle):
* dom/Text.h: Added new helper function toText.
(WebCore::toText): new helper function which does the type casting operation to Text object.
(WebCore):
* editing/ApplyBlockElementCommand.cpp:
(WebCore::isNewLineAtPosition):
(WebCore::ApplyBlockElementCommand::endOfNextParagrahSplittingTextNodesIfNeeded):
* editing/ApplyStyleCommand.cpp:
(WebCore::ApplyStyleCommand::splitTextAtEnd):
(WebCore::ApplyStyleCommand::splitTextElementAtEnd):
(WebCore::ApplyStyleCommand::joinChildTextNodes):
* editing/BreakBlockquoteCommand.cpp:
(WebCore::BreakBlockquoteCommand::doApply):
* editing/CompositeEditCommand.cpp:
(WebCore::CompositeEditCommand::insertNodeAt):
(WebCore::CompositeEditCommand::positionOutsideTabSpan):
(WebCore::CompositeEditCommand::canRebalance):
(WebCore::CompositeEditCommand::rebalanceWhitespaceAt):
(WebCore::CompositeEditCommand::prepareWhitespaceAtPositionForSplit):
(WebCore::CompositeEditCommand::deleteInsignificantText):
(WebCore::CompositeEditCommand::removePlaceholderAt):
(WebCore::CompositeEditCommand::cleanupAfterDeletion):
(WebCore::CompositeEditCommand::breakOutOfEmptyMailBlockquotedParagraph):
* editing/DeleteSelectionCommand.cpp:
(WebCore::DeleteSelectionCommand::handleGeneralDelete):
(WebCore::DeleteSelectionCommand::fixupWhitespace):
* editing/Editor.cpp:
(WebCore::Editor::setComposition):
* editing/InsertLineBreakCommand.cpp:
(WebCore::InsertLineBreakCommand::doApply):
* editing/InsertParagraphSeparatorCommand.cpp:
(WebCore::InsertParagraphSeparatorCommand::doApply):
* editing/InsertTextCommand.cpp:
(WebCore::InsertTextCommand::insertTab):
* editing/MarkupAccumulator.cpp:
(WebCore::MarkupAccumulator::appendStartMarkup):
* editing/ReplaceSelectionCommand.cpp:
(WebCore::ReplaceSelectionCommand::removeUnrenderedTextNodesAtEnds):
(WebCore::ReplaceSelectionCommand::addSpacesForSmartReplace):
(WebCore::ReplaceSelectionCommand::insertAsListItems):
(WebCore::ReplaceSelectionCommand::performTrivialReplace):
* editing/htmlediting.cpp:
(WebCore::lineBreakExistsAtPosition):
* editing/visible_units.cpp:
(WebCore::startPositionForLine):
(WebCore::endPositionForLine):
(WebCore::startOfParagraph):
(WebCore::endOfParagraph):
* html/HTMLElement.cpp:
(WebCore::replaceChildrenWithFragment):
(WebCore::replaceChildrenWithText):
(WebCore::mergeWithNextTextNode):
* html/HTMLObjectElement.cpp:
(WebCore::HTMLObjectElement::hasFallbackContent):
(WebCore::HTMLObjectElement::updateDocNamedItem):
* html/HTMLOptionElement.cpp:
(WebCore::HTMLOptionElement::setText):
* html/HTMLScriptElement.cpp:
(WebCore::HTMLScriptElement::setText):
* html/HTMLTextAreaElement.cpp:
(WebCore::HTMLTextAreaElement::defaultValue):
* html/HTMLTextFormControlElement.cpp:
(WebCore::HTMLTextFormControlElement::innerTextValue):
(WebCore::HTMLTextFormControlElement::valueWithHardLineBreaks):
* html/HTMLTitleElement.cpp:
(WebCore::HTMLTitleElement::text):
(WebCore::HTMLTitleElement::setText):
* inspector/InspectorDOMAgent.cpp:
(WebCore::InspectorDOMAgent::setNodeValue):
* rendering/RenderText.cpp:
(WebCore::RenderText::originalText):
* rendering/RenderTextFragment.cpp:
(WebCore::RenderTextFragment::originalText):
(WebCore::RenderTextFragment::previousCharacter):

Tools:

Added a style checker to use toText rather than static_cast<Text*>.

Patch by Joe Thomas <joethomas@motorola.com> on 2012-02-12
Reviewed by Adam Barth.

* Scripts/webkitpy/style/checkers/cpp.py:
(check_language): Style checker for static_cast<Text*>.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@107509 268f45cc-cd09-0410-ab3c-d52691b4dbfc