Prefer prefix ++/-- operators for non-primitive types
https://bugs.webkit.org/show_bug.cgi?id=114033

Reviewed by Alexey Proskuryakov.

Post ++/-- creates a copy of current value and it is not necessary, so use prefix instead.

* bindings/js/Dictionary.cpp:
(WebCore::Dictionary::getOwnPropertiesAsStringHashMap):
(WebCore::Dictionary::getOwnPropertyNames):
* bindings/js/ScriptCallStackFactory.cpp:
(WebCore::createScriptCallStack):
* dom/ContainerNode.cpp:
(WebCore::willRemoveChildren):
* dom/Range.cpp:
(WebCore::Range::processAncestorsAndTheirSiblings):
* loader/FrameLoader.cpp:
(WebCore::FrameLoader::detachChildren):
* platform/graphics/gpu/LoopBlinnPathProcessor.cpp:
(WebCore):
(WebCore::LoopBlinnPathProcessor::subdivideCurvesSlow):
* rendering/InlineTextBox.cpp:
(WebCore::InlineTextBox::paintDocumentMarkers):
* xml/XPathFunctions.cpp:
(WebCore::XPath::Function::setArguments):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147832 268f45cc-cd09-0410-ab3c-d52691b4dbfc