[Windows] Another attempt to fix the Windows bots. Need to retain older
QuickTime player features for external builders.

* win/include/WebKitSystemInterface/WebKitSystemInterface.h:
* win/lib32/WebKitSystemInterface.lib:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154564 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Save three bytes per CStringBuffer object
https://bugs.webkit.org/show_bug.cgi?id=120040

Reviewed by Darin Adler.

Merge https://chromium.googlesource.com/chromium/blink/+/894ae8eafdb64912aefd8f9c809f4ccda84f3b89

sizeof(CStringBuffer) was rounded up to 8 on account of struct size and
alignment rules. This is clearly not what was intended.

* wtf/text/CString.cpp:
(WTF::CStringBuffer::createUninitialized):
* wtf/text/CString.h:
(WTF::CStringBuffer::data):
(WTF::CStringBuffer::mutableData):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154565 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed build fix after r154560

* page/FrameTree.cpp:
(WebCore::FrameTree::scopedChild):
Use tree(). instead of tree()->.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154566 268f45cc-cd09-0410-ab3c-d52691b4dbfc