Remove even more Mountain Lion support

Remove even more Mountain Lion support
https://bugs.webkit.org/show_bug.cgi?id=141124

Reviewed by Alexey Proskuryakov.

Source/bmalloc:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:

Source/JavaScriptCore:

* API/tests/DateTests.mm:
* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:
* jit/ExecutableAllocatorFixedVMPool.cpp:

Source/WebCore:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:
* accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
(-[WebAccessibilityObjectWrapper accessibilityActionNames]):
(-[WebAccessibilityObjectWrapper subrole]):
* platform/graphics/ca/mac/PlatformCALayerMac.mm:
(PlatformCALayer::drawLayerContents):
* platform/mac/ThemeMac.mm:
(-[WebCoreThemeView _focusRingVisibleRect]):

Source/WebKit/mac:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:
* Configurations/WebKitLegacy.xcconfig:

Source/WebKit2:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* Configurations/FeatureDefines.xcconfig:
* Configurations/Version.xcconfig:
* Configurations/WebContentService.Development.xcconfig:
* Configurations/WebContentService.xcconfig:
* Configurations/WebKit.xcconfig:
* NetworkProcess/mac/com.apple.WebKit.NetworkProcess.sb.in:

Source/WTF:

* Configurations/Base.xcconfig:
* Configurations/DebugRelease.xcconfig:
* wtf/Assertions.cpp:
* wtf/FeatureDefines.h:
* wtf/Platform.h:

Tools:

* DumpRenderTree/mac/AccessibilityUIElementMac.mm:
(AccessibilityUIElement::attributedStringRangeIsMisspelled):
* DumpRenderTree/mac/Configurations/Base.xcconfig:
* DumpRenderTree/mac/Configurations/DebugRelease.xcconfig:
* DumpRenderTree/mac/DumpRenderTree.mm:
(activateTestingFonts):
(prepareConsistentTestingEnvironment):
* DumpRenderTree/mac/EventSendingController.mm:
(-[EventSendingController mouseScrollByX:andY:withWheel:andMomentumPhases:]):
(-[EventSendingController contextClick]):
* DumpRenderTree/mac/TextInputController.m:
* LayoutTestRelay/Configurations/Base.xcconfig:
* LayoutTestRelay/Configurations/DebugRelease.xcconfig:
* MiniBrowser/Configurations/Base.xcconfig:
* MiniBrowser/Configurations/DebugRelease.xcconfig:
* MiniBrowser/mac/WK2BrowserWindowController.m:
(-[WK2BrowserWindowController webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:completionHandler:]):
(-[WK2BrowserWindowController webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:completionHandler:]):
(-[WK2BrowserWindowController webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:completionHandler:]):
* TestWebKitAPI/Configurations/Base.xcconfig:
* TestWebKitAPI/Configurations/DebugRelease.xcconfig:
* TestWebKitAPI/Tests/WebKit2Cocoa/Download.mm:
(-[DownloadDelegate _downloadDidFinish:]):
* TestWebKitAPI/Tests/mac/StringTruncator.mm:
(TestWebKitAPI::TEST):
* TestWebKitAPI/mac/InjectedBundleControllerMac.mm:
(TestWebKitAPI::InjectedBundleController::platformInitialize):
* WebKitLauncher/Configurations/Base.xcconfig:
* WebKitTestRunner/Configurations/Base.xcconfig:
* WebKitTestRunner/Configurations/DebugRelease.xcconfig:
* WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm:
(WTR::AccessibilityUIElement::attributedStringRangeIsMisspelled):
* WebKitTestRunner/InjectedBundle/mac/ActivateFonts.mm:
(WTR::activateFonts):
* WebKitTestRunner/TestController.cpp:
(WTR::TestController::initialize):
(WTR::TestController::webProcessName):
* WebKitTestRunner/mac/EventSenderProxy.mm:
* asan/asan.xcconfig:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@179450 268f45cc-cd09-0410-ab3c-d52691b4dbfc