Rebaseline four tiled drawing tests affeted by r148049.

Move results from platform/mac/platform/mac-wk2/tiled-drawing to  platform/mac-wk2/tiled-drawing

* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-body-layer-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-opacity-html-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-positioned-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-transformed-html-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-zoomed-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed-background/fixed-html-background-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed/four-bars-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed/four-bars-with-header-and-footer-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed/four-bars-zoomed-expected.txt:
* platform/mac-wk2/tiled-drawing/fixed/negative-scroll-offset-in-view-expected.txt:
* platform/mac-wk2/tiled-drawing/sticky/sticky-vertical-expected.txt:
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-body-layer-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-opacity-html-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-positioned-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-transformed-html-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-body-background-zoomed-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/fixed-background/fixed-html-background-expected.txt: Removed.
* platform/mac/platform/mac-wk2/tiled-drawing/sticky/sticky-vertical-expected.txt: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148104 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Blob content type normalization.
https://bugs.webkit.org/show_bug.cgi?id=111380

Patch by Victor Costan <costan@gmail.com> on 2013-04-10
Reviewed by Alexey Proskuryakov.

Source/WebCore:

Tests: http/tests/fast/files/blob-constructor.js
       http/tests/fileapi/xhr-send-form-data-filename-escaping.html
       http/tests/fileapi/xhr-send-form-data-mimetype-normalization.html

* WebCore.exp.in: exported Blob::isNormalizedContentType()
* bindings/js/JSBlobCustom.cpp:
(WebCore::JSBlobConstructor::constructJSBlob): remove checks on Blob type, BlobBuilder will normalize it
* fileapi/Blob.cpp:
(BlobType): utilities for normalizing a Blob's type according to the File API spec
(WebCore::BlobType::isValid): content type validity checks in the File API spec
(WebCore::BlobType::normalize): implements the normalization rules in the File API spec
(WebCore::BlobType::isNormalized): useful for ASSERTing that a Blob type has been normalized
(WebCore): implement Blob type normalization according to the File API spec
(WebCore::Blob::Blob): normalize the Blob type in the data URL
(WebCore::Blob::slice): normalize the Blob type argument
* fileapi/Blob.h:
(BlobType): utilities for normalizing a Blob's type according to the File API spec
(WebCore::Blob::create): assert that the deserialized Blob's type was normalized
* fileapi/File.cpp:
(WebCore::createBlobDataForFileWithType): assert that the File's MIME type is a normalized Blob type
* fileapi/WebKitBlobBuilder.cpp:
(WebCore::BlobBuilder::getBlob): normalize the Blob's type before building it
* platform/network/BlobData.h:
(WebCore::BlobData::setContentType): assert that the Blob type has been normalized
* platform/network/FormData.cpp:
(WebCore::FormData::appendKeyValuePairItems): assert that Blob's type has been normalized
* platform/network/FormDataBuilder.cpp:
(WebCore::FormDataBuilder::addContentTypeToMultiPartHeader): assert that the Content-Type field is normalized
* xml/XMLHttpRequest.cpp: when responseType is blob, normalize Content-Type before passing to Blob constructor

LayoutTests:

* http/tests/fast/files/script-tests/blob-constructor.js: added/updated test cases for Blob type normalization
* http/tests/fast/files/blob-constructor-expected.txt: added/updated test cases for Blob type normalization
* http/tests/fileapi/xhr-send-form-data-filename-escaping-expected.txt: Added.
* http/tests/fileapi/xhr-send-form-data-filename-escaping.html: Added.
* http/tests/fileapi/xhr-send-form-data-mimetype-normalization-expected.txt: Added.
* http/tests/fileapi/xhr-send-form-data-mimetype-normalization.html: Added.
* http/tests/local/formdata/resources/send-form-data-common.js:
(dumpResponse): return the HTTP response text so it can be used in JS test code
(sendFormData): passthrough the HTTP response text returned by dumpResponse()
(testSendingFormData): passthrough the HTTP response text returned by dumpResponse()
* http/tests/xmlhttprequest/post-blob-content-type-async-expected.txt: updated expectation for invalid Content-Type
* http/tests/xmlhttprequest/post-blob-content-type-sync-expected.txt: updated expectation for invalid Content-Type
* http/tests/xmlhttprequest/post-blob-content-type-tests.js: updated expectation for invalid Content-Type

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148105 268f45cc-cd09-0410-ab3c-d52691b4dbfc