Rename ENABLE_METER_TAG and ENABLE_PROGRESS_TAG to ENABLE_METER_ELEMENT and ENABLE_PROGRESS_ELEMENT respectively
https://bugs.webkit.org/show_bug.cgi?id=91941

Reviewed by Kentaro Hara.

A flag name for an elmement should be ENABLE_*_ELEMENT.

.:

* Source/cmake/WebKitFeatures.cmake:
* Source/cmakeconfig.h.cmake:
* configure.ac:

Source/JavaScriptCore:

* Configurations/FeatureDefines.xcconfig:

Source/WebCore:

* Configurations/FeatureDefines.xcconfig:
* DerivedSources.make:
* GNUmakefile.am:
* accessibility/AXObjectCache.cpp:
(WebCore::createFromRenderer):
* accessibility/AccessibilityProgressIndicator.cpp:
* accessibility/AccessibilityProgressIndicator.h:
* css/CSSPrimitiveValueMappings.h:
(WebCore::CSSPrimitiveValue::CSSPrimitiveValue):
* css/SelectorChecker.cpp:
(WebCore::SelectorChecker::checkOneSelector):
* css/StyleResolver.cpp:
(WebCore::StyleResolver::collectMatchingRulesForList):
* css/html.css:
* html/HTMLMeterElement.cpp:
* html/HTMLMeterElement.h:
* html/HTMLMeterElement.idl:
* html/HTMLProgr...