[LFC][IFC] Remove the previous version of inline content handling.

[LFC][IFC] Remove the previous version of inline content handling.
https://bugs.webkit.org/show_bug.cgi?id=190716

Reviewed by Antti Koivisto.

* Sources.txt:
* WebCore.xcodeproj/project.pbxproj:
* layout/Verification.cpp:
(WebCore::Layout::areEssentiallyEqual):
(WebCore::Layout::outputMismatchingSimpleLineInformationIfNeeded):
(WebCore::Layout::outputMismatchingComplexLineInformationIfNeeded):
* layout/inlineformatting/InlineFormattingState.h:
(WebCore::Layout::InlineFormattingState::inlineContent):
(WebCore::Layout::InlineFormattingState::addLayoutRuns): Deleted.
(WebCore::Layout::InlineFormattingState::layoutRuns const): Deleted.
* layout/inlineformatting/text/TextUtil.cpp: Renamed from Source/WebCore/layout/inlineformatting/textlayout/TextUtil.cpp.
(WebCore::Layout::TextUtil::TextUtil):
(WebCore::Layout::TextUtil::width const):
(WebCore::Layout::TextUtil::hyphenPositionBefore const):
(WebCore::Layout::TextUtil::textWidth const):
(WebCore::Layout::TextUtil::fixedPitchWidth const):
* layout/inlineformatting/text/TextUtil.h: Renamed from Source/WebCore/layout/inlineformatting/textlayout/TextUtil.h.
* layout/inlineformatting/textlayout/Runs.h: Removed.
* layout/inlineformatting/textlayout/TextContentProvider.cpp: Removed.
* layout/inlineformatting/textlayout/TextContentProvider.h: Removed.
* layout/inlineformatting/textlayout/simple/SimpleLineBreaker.cpp: Removed.
* layout/inlineformatting/textlayout/simple/SimpleLineBreaker.h: Removed.
* layout/inlineformatting/textlayout/simple/SimpleTextRunGenerator.cpp: Removed.
* layout/inlineformatting/textlayout/simple/SimpleTextRunGenerator.h: Removed.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@237289 268f45cc-cd09-0410-ab3c-d52691b4dbfc