Issue #2135 - Bug 1438129: Remove ShadowRoot.applyAuthorStyles.

dom/base/ShadowRoot.cpp

@@ -488,25 +488,6 @@ ShadowRoot::Host()
   return host->AsElement();
 }
 
-bool
-ShadowRoot::ApplyAuthorStyles()
-{
-  return mProtoBinding->InheritsStyle();
-}
-
-void
-ShadowRoot::SetApplyAuthorStyles(bool aApplyAuthorStyles)
-{
-  mProtoBinding->SetInheritsStyle(aApplyAuthorStyles);
-
-  nsIPresShell* shell = OwnerDoc()->GetShell();
-  if (shell) {
-    OwnerDoc()->BeginUpdate(UPDATE_STYLE);
-    shell->RecordShadowStyleChange(this);
-    OwnerDoc()->EndUpdate(UPDATE_STYLE);
-  }
-}
-
 void
 ShadowRoot::AttributeChanged(nsIDocument* aDocument,
                              Element* aElement,

dom/base/ShadowRoot.h

@@ -59,8 +59,6 @@ public:
   // [deprecated] Shadow DOM v0
   void InsertSheet(StyleSheet* aSheet, nsIContent* aLinkingContent);
   void RemoveSheet(StyleSheet* aSheet);
-  bool ApplyAuthorStyles();
-  void SetApplyAuthorStyles(bool aApplyAuthorStyles);
   StyleSheetList* StyleSheets()
   {
     return &DocumentOrShadowRoot::EnsureDOMStyleSheets();

dom/tests/mochitest/webcomponents/test_shadowroot_style.html

@@ -48,19 +48,12 @@ isnot(getComputedStyle(document.getElementById("bodydiv"), null).getPropertyValu
 // Make sure that elements in the ShadowRoot are styled according to the ShadowRoot style.
 is(getComputedStyle(divToStyle, null).getPropertyValue("height"), "100px", "ShadowRoot style sheets should apply to elements in ShadowRoot.");
 
-// Tests for applyAuthorStyles.
+// Tests for author styles not applying in a ShadowRoot.
 var authorStyle = document.createElement("style");
 authorStyle.innerHTML = ".fat { padding-right: 20px; padding-left: 30px; }";
 document.body.appendChild(authorStyle);
 
-is(root.applyAuthorStyles, false, "applyAuthorStyles defaults to false.");
-isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false.");
-root.applyAuthorStyles = true;
-is(root.applyAuthorStyles, true, "applyAuthorStyles was set to true.");
-is(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should apply to ShadowRoot when ShadowRoot.applyAuthorStyles is true.");
-root.applyAuthorStyles = false;
-is(root.applyAuthorStyles, false, "applyAuthorStyles was set to false.");
-isnot(getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot when ShadowRoot.applyAuthorStyles is false.");
+isnot(iframeWin.getComputedStyle(divToStyle, null).getPropertyValue("padding-right"), "20px", "Author styles should not apply to ShadowRoot.");
 
 // Test dynamic changes to style in ShadowRoot.
 root.innerHTML = '<div id="divtostyle" class="dummy"></div>';

dom/webidl/ShadowRoot.webidl

@@ -31,6 +31,5 @@ interface ShadowRoot : DocumentFragment
   HTMLCollection getElementsByClassName(DOMString classNames);
   [CEReactions, SetterThrows, TreatNullAs=EmptyString]
   attribute DOMString innerHTML;
-  attribute boolean applyAuthorStyles;
 };