Reviewed by Adam Barth.

        Introducing a new class that allows serialization of a page back
        to HTML/XML with all its sub-frames and also retrieves the page's
        resources.
        Tests: unit-tests in chromium/tests/WebPageNewSerializerTest.cpp
        https://bugs.webkit.org/show_bug.cgi?id=58947

        * Android.mk:
        * CMakeLists.txt:
        * GNUmakefile.list.am:
        * WebCore.gypi:
        * WebCore.pro:
        * WebCore.vcproj/WebCore.vcproj:
        * dom/Document.cpp:
        (WebCore::Document::suggestedMIMEType):
        * dom/Document.h:
        * editing/MarkupAccumulator.cpp:
        (WebCore::MarkupAccumulator::appendCustomAttributes):
        (WebCore::MarkupAccumulator::appendElement):
        * editing/MarkupAccumulator.h:
        * html/parser/HTMLMetaCharsetParser.cpp:
        (WebCore::HTMLMetaCharsetParser::processMeta):
        (WebCore::HTMLMetaCharsetParser::encodingFromMetaAttributes):
        * html/parser/HTMLMetaCharsetParser.h:
        * page/PageSerializer.cpp: Added.
        * page/PageSerializer.h: Added.
2011-04-28  Jay Civelli  <jcivelli@chromium.org>

        Reviewed by Adam Barth.

        Introducing a new API to serialize a WebView back to HTML.
        https://bugs.webkit.org/show_bug.cgi?id=58947

        * WebKit.gyp:
        * public/WebPageSerializer.h:
        * src/WebPageSerializer.cpp:
        (WebKit::WebPageSerializer::serialize):
        * tests/WebPageNewSerializerTest.cpp: Added.
        * tests/data/pageserializer: Added.
        * tests/data/pageserializer/blank_frames.html: Added.
        * tests/data/pageserializer/blue_background.png: Added.
        * tests/data/pageserializer/css_test_page.html: Added.
        * tests/data/pageserializer/green_background.png: Added.
        * tests/data/pageserializer/iframe.html: Added.
        * tests/data/pageserializer/iframe2.html: Added.
        * tests/data/pageserializer/import_style_from_link.css: Added.
        * tests/data/pageserializer/import_styles.css: Added.
        * tests/data/pageserializer/link_styles.css: Added.
        * tests/data/pageserializer/ol-dot.png: Added.
        * tests/data/pageserializer/orange_background.png: Added.
        * tests/data/pageserializer/purple_background.png: Added.
        * tests/data/pageserializer/red_background.png: Added.
        * tests/data/pageserializer/simple.xhtml: Added.
        * tests/data/pageserializer/top_frame.html: Added.
        * tests/data/pageserializer/ul-dot.png: Added.
        * tests/data/pageserializer/yellow_background.png: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@85244 268f45cc-cd09-0410-ab3c-d52691b4dbfc