[Fetch API] Implement fetch skeleton

[Fetch API] Implement fetch skeleton
https://bugs.webkit.org/show_bug.cgi?id=155111

Reviewed by Darin Adler.

LayoutTests/imported/w3c:

Importing basic fetch api tests.

* resources/ImportExpectations: Activating fetch/api/basic import.
* web-platform-tests/fetch/api/basic/accept-header-expected.txt: Added.
* web-platform-tests/fetch/api/basic/accept-header-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/accept-header-worker.html: Added.
* web-platform-tests/fetch/api/basic/accept-header.html: Added.
* web-platform-tests/fetch/api/basic/accept-header.js: Added.
(promise_test):
* web-platform-tests/fetch/api/basic/integrity-expected.txt: Added.
* web-platform-tests/fetch/api/basic/integrity-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/integrity-worker.html: Added.
* web-platform-tests/fetch/api/basic/integrity.html: Added.
* web-platform-tests/fetch/api/basic/integrity.js: Added.
(integrity):
* web-platform-tests/fetch/api/basic/mode-no-cors-expected.txt: Added.
* web-platform-tests/fetch/api/basic/mode-no-cors-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/mode-no-cors-worker.html: Added.
* web-platform-tests/fetch/api/basic/mode-no-cors.html: Added.
* web-platform-tests/fetch/api/basic/mode-no-cors.js: Added.
(fetchNoCors):
* web-platform-tests/fetch/api/basic/mode-same-origin-expected.txt: Added.
* web-platform-tests/fetch/api/basic/mode-same-origin-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/mode-same-origin-worker.html: Added.
* web-platform-tests/fetch/api/basic/mode-same-origin.html: Added.
* web-platform-tests/fetch/api/basic/mode-same-origin.js: Added.
(fetchSameOrigin):
* web-platform-tests/fetch/api/basic/request-forbidden-headers-expected.txt: Added.
* web-platform-tests/fetch/api/basic/request-forbidden-headers-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/request-forbidden-headers-worker.html: Added.
* web-platform-tests/fetch/api/basic/request-forbidden-headers.html: Added.
* web-platform-tests/fetch/api/basic/request-forbidden-headers.js: Added.
(requestForbiddenHeaders):
* web-platform-tests/fetch/api/basic/request-headers-expected.txt: Added.
* web-platform-tests/fetch/api/basic/request-headers-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/request-headers-worker.html: Added.
* web-platform-tests/fetch/api/basic/request-headers.html: Added.
* web-platform-tests/fetch/api/basic/request-headers.js: Added.
(requestHeaders):
* web-platform-tests/fetch/api/basic/scheme-about-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-about-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-about-worker.html: Added.
* web-platform-tests/fetch/api/basic/scheme-about.html: Added.
* web-platform-tests/fetch/api/basic/scheme-about.js: Added.
(checkFetchResponse):
(checkKoUrl):
* web-platform-tests/fetch/api/basic/scheme-blob-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-blob-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-blob-worker.html: Added.
* web-platform-tests/fetch/api/basic/scheme-blob.html: Added.
* web-platform-tests/fetch/api/basic/scheme-blob.js: Added.
(checkFetchResponse):
(checkKoUrl):
* web-platform-tests/fetch/api/basic/scheme-data-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-data-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-data-worker.html: Added.
* web-platform-tests/fetch/api/basic/scheme-data.html: Added.
* web-platform-tests/fetch/api/basic/scheme-data.js: Added.
(checkFetchResponse):
(checkKoUrl):
* web-platform-tests/fetch/api/basic/scheme-others-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-others-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/scheme-others-worker.html: Added.
* web-platform-tests/fetch/api/basic/scheme-others.html: Added.
* web-platform-tests/fetch/api/basic/scheme-others.js: Added.
(checkKoUrl):
* web-platform-tests/fetch/api/basic/stream-response-expected.txt: Added.
* web-platform-tests/fetch/api/basic/stream-response-worker-expected.txt: Added.
* web-platform-tests/fetch/api/basic/stream-response-worker.html: Added.
* web-platform-tests/fetch/api/basic/stream-response.html: Added.
* web-platform-tests/fetch/api/basic/stream-response.js: Added.
(streamBody):
(promise_test.):
(promise_test):
* web-platform-tests/fetch/api/basic/w3c-import.log: Added.

Source/WebCore:

Adding skeleton code to call fetch API from normal and worker scopes.
Fetch API implementation is limited to reject the promise.

Updating the binding generator to fix the case of overloaded promise-returning functions.
Made overloaded utility functions "static inline".

Tests: imported/w3c/web-platform-tests/fetch/api/basic/accept-header-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/accept-header.html
       imported/w3c/web-platform-tests/fetch/api/basic/integrity-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/integrity.html
       imported/w3c/web-platform-tests/fetch/api/basic/mode-no-cors-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/mode-no-cors.html
       imported/w3c/web-platform-tests/fetch/api/basic/mode-same-origin-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/mode-same-origin.html
       imported/w3c/web-platform-tests/fetch/api/basic/request-forbidden-headers-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/request-forbidden-headers.html
       imported/w3c/web-platform-tests/fetch/api/basic/request-headers-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/request-headers.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-about-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-about.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-blob-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-blob.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-data-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-data.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-others-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/scheme-others.html
       imported/w3c/web-platform-tests/fetch/api/basic/stream-response-worker.html
       imported/w3c/web-platform-tests/fetch/api/basic/stream-response.html

* CMakeLists.txt:
* DerivedSources.make:
* Modules/fetch/DOMWindowFetch.cpp: Added.
(WebCore::DOMWindowFetch::fetch):
* Modules/fetch/DOMWindowFetch.h: Added.
* Modules/fetch/DOMWindowFetch.idl: Added.
* Modules/fetch/WorkerGlobalScopeFetch.cpp: Added.
(WebCore::WorkerGlobalScopeFetch::fetch):
* Modules/fetch/WorkerGlobalScopeFetch.h: Added.
* Modules/fetch/WorkerGlobalScopeFetch.idl: Added.
* WebCore.xcodeproj/project.pbxproj:
* bindings/scripts/CodeGeneratorJS.pm:
(GenerateImplementation): Fixing the case of overloaded promise-returning functions.
* bindings/scripts/test/JS/JSTestObj.cpp:
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod1):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod2):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod3):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod4):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod5):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod6):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod7):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod8):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod9):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod10):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod11):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod12):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethodWithOptionalParameter1):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethodWithOptionalParameter2):
(WebCore::jsTestObjConstructorFunctionOverloadedMethod11):
(WebCore::jsTestObjConstructorFunctionOverloadedMethod12):
(WebCore::jsTestObjPrototypeFunctionTestPromiseOverloadedFunction1):
(WebCore::jsTestObjPrototypeFunctionTestPromiseOverloadedFunction1Promise):
(WebCore::jsTestObjPrototypeFunctionTestPromiseOverloadedFunction2):
(WebCore::jsTestObjPrototypeFunctionTestPromiseOverloadedFunction2Promise):
(WebCore::jsTestObjPrototypeFunctionTestPromiseOverloadedFunction):
(WebCore::jsTestObjPrototypeFunctionOverloadedMethod): Deleted.
(WebCore::jsTestObjConstructorFunctionClassMethod2): Deleted.
(WebCore::jsTestObjPrototypeFunctionAny): Deleted.
(WebCore::jsTestObjPrototypeFunctionTestPromiseFunctionPromise): Deleted.
(WebCore::jsTestObjPrototypeFunctionTestPromiseFunctionWithFloatArgumentPromise): Deleted.
(WebCore::jsTestObjPrototypeFunctionTestPromiseFunctionWithExceptionPromise): Deleted.
* bindings/scripts/test/TestObj.idl:

LayoutTests:

* TestExpectations: Marking some tests as flaky.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@197748 268f45cc-cd09-0410-ab3c-d52691b4dbfc