https://bugs.webkit.org/show_bug.cgi?id=115618

Reviewed by Geoffrey Garen.

Source/WebCore:

Replace calls to Vector::prepend with either Vector::insert,
or a combination of Vector::append and Vector::reverse.

* accessibility/AccessibilityObject.cpp:
(WebCore::AccessibilityObject::scrollToGlobalPoint):
* css/CSSGradientValue.cpp:
(WebCore::CSSGradientValue::addStops):
* css/CSSValueList.h:
(WebCore::CSSValueList::prepend):
* dom/Document.cpp:
(WebCore::Document::iconURLs):
* editing/TextIterator.cpp:
(WebCore::SearchBuffer::prependContext):
* editing/VisibleUnits.cpp:
(WebCore::previousBoundary):
(WebCore::nextBoundary):
* history/HistoryItem.cpp:
(WebCore::HistoryItem::padDailyCountsForNewVisit):
(WebCore::HistoryItem::collapseDailyVisitsToWeekly):
* inspector/InjectedScriptHost.cpp:
(WebCore::InjectedScriptHost::addInspectedObject):
* platform/graphics/SVGGlyph.cpp:
(WebCore::charactersWithArabicForm):

Source/WTF:

Given the performance characteristics of prepending something to a Vector, not having prepend
will hopefully make developers think about whether prepending is necessary at all. For example,
the functions in HexNumber.h were easily converted to using Vector::append and then Vector::reverse.

* wtf/HexNumber.h:
(WTF::appendUnsignedAsHex):
(WTF::appendUnsignedAsHexFixedSize):
* wtf/Vector.h:
(Vector):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149583 268f45cc-cd09-0410-ab3c-d52691b4dbfc