Provide optional OTHER_CFLAGS, OTHER_CPPFLAGS, OTHER_LDFLAGS additions for building with ASAN
https://bugs.webkit.org/show_bug.cgi?id=117762

Reviewed by Mark Rowe.

Source/JavaScriptCore:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* Configurations/JavaScriptCore.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* Configurations/ToolExecutable.xcconfig:
Don't use ASAN for build tools.

Source/ThirdParty:

* gtest/xcode/Config/General.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* gtest/xcode/Config/StaticLibraryTarget.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS.

Source/ThirdParty/ANGLE:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS.

Source/WebCore:

No new tests necessary.

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* Configurations/WebCore.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* Configurations/WebCoreTestShim.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* Configurations/WebCoreTestSupport.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* WebCore.xcodeproj/project.pbxproj:
Don't use ASAN for build tools.

Source/WebInspectorUI:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.

Source/WebKit/mac:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* Configurations/WebKit.xcconfig:
Add ASAN_OTHER_LDFLAGS.

Source/WebKit2:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* Configurations/WebContentProcess.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* Configurations/WebKit2.xcconfig:
Add ASAN_OTHER_LDFLAGS.

Source/WTF:

* Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS.

Tools:

* DumpRenderTree/mac/Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* DumpRenderTree/mac/Configurations/DumpRenderTree.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* MiniBrowser/Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* Scripts/check-for-weak-vtables-and-externals:
Ignore ___asan externals, these are populated by compiler-rt.
* TestWebKitAPI/Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* TestWebKitAPI/Configurations/TestWebKitAPI.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* WebKitLauncher/Configurations/Base.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* WebKitLauncher/Configurations/WebKitNightlyEnabler.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* WebKitTestRunner/Configurations/DebugRelease.xcconfig:
Add ASAN_OTHER_CFLAGS, CPLUSPLUSFLAGS, LDFLAGS.
* WebKitTestRunner/Configurations/InjectedBundle.xcconfig:
Add ASAN_OTHER_LDFLAGS.
* asan/asan.xcconfig: Added.
* asan/webkit-asan-ignore.txt: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153756 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Speculative build fix after r153754.

* page/animation/CSSPropertyAnimation.cpp:
(WebCore::blendFunc):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153757 268f45cc-cd09-0410-ab3c-d52691b4dbfc