Revert 84311 - REGRESSION(r55762): Highlight color can't be copied in gmail.

LayoutTests/editing/pasteboard/copy-text-with-backgroundcolor-expected.txt

Index: LayoutTests/editing/pasteboard/copy-text-with-backgroundcolor-expected.txt
===================================================================
--- LayoutTests/editing/pasteboard/copy-text-with-backgroundcolor-expected.txt	(revision 86684)
+++ LayoutTests/editing/pasteboard/copy-text-with-backgroundcolor-expected.txt	(working copy)
@@ -1,79 +0,0 @@
-EDITING DELEGATE: shouldBeginEditingInDOMRange:range from 0 of DIV > BODY > HTML > #document to 7 of DIV > BODY > HTML > #document
-EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldInsertNode:#document-fragment replacingDOMRange:range from 14 of #text > SPAN > DIV > BODY > HTML > #document to 14 of #text > SPAN > DIV > BODY > HTML > #document givenAction:WebViewInsertActionPasted
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 14 of #text > SPAN > DIV > BODY > HTML > #document to 14 of #text > SPAN > DIV > BODY > HTML > #document toDOMRange:range from 14 of #text > SPAN > DIV > BODY > HTML > #document to 14 of #text > SPAN > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldInsertNode:#document-fragment replacingDOMRange:range from 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document givenAction:WebViewInsertActionPasted
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document toDOMRange:range from 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 16 of #text > SPAN > DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: shouldInsertNode:#document-fragment replacingDOMRange:range from 22 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 22 of #text > SPAN > DIV > DIV > BODY > HTML > #document givenAction:WebViewInsertActionPasted
-EDITING DELEGATE: shouldChangeSelectedDOMRange:range from 22 of #text > SPAN > DIV > DIV > BODY > HTML > #document to 22 of #text > SPAN > DIV > DIV > BODY > HTML > #document toDOMRange:range from 22 of #text > DIV > DIV > BODY > HTML > #document to 22 of #text > DIV > DIV > BODY > HTML > #document affinity:NSSelectionAffinityDownstream stillSelecting:FALSE
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidEndEditing:WebViewDidEndEditingNotification
-
-Markup before:
-| "
-"
-| <span>
-|   style="background-color: rgb(255, 0, 0);"
-|   "<#selection-caret>Red background"
-| "
-"
-| <div>
-|   id="test2"
-|   <span>
-|     style="background-color: green;"
-|     "Green background"
-| "
-"
-| <div>
-|   id="test3"
-|   <span>
-|     style="background-color: rgb(255, 0, 0, 0);"
-|     "Transparent background"
-| "
-"
-
-Markup after:
-| "
-"
-| <span>
-|   style="background-color: rgb(255, 0, 0);"
-|   "Red background"
-| <span>
-|   style="background-color: rgb(255, 0, 0); "
-|   "Red background"
-| <div>
-|   id="test2"
-|   <span>
-|     style="background-color: green;"
-|     "Green background"
-|   <span>
-|     style="background-color: green; "
-|     "Green background"
-| "
-"
-| <div>
-|   id="test3"
-|   <span>
-|     style="background-color: rgb(255, 0, 0, 0);"
-|     "Transparent background"
-|   "Transparent background<#selection-caret>"
-| "
-"