Backed out changeset cfc393773f0d (bug 1404897)

dom/base/Element.cpp

@@ -3496,31 +3496,21 @@ Element::Closest(const nsAString& aSelector, ErrorResult& aResult)
 bool
 Element::Matches(const nsAString& aSelector, ErrorResult& aError)
 {
-  return WithSelectorList<bool>(
-    aSelector,
-    aError,
-    [&](const RawServoSelectorList* aList) {
-      if (!aList) {
-        return false;
-      }
-      return Servo_SelectorList_Matches(this, aList);
-    },
-    [&](nsCSSSelectorList* aList) {
-      if (!aList) {
-        // Either we failed (and aError already has the exception), or this
-        // is a pseudo-element-only selector that matches nothing.
-        return false;
-      }
-      TreeMatchContext matchingContext(false,
-                                       nsRuleWalker::eRelevantLinkUnvisited,
-                                       OwnerDoc(),
-                                       TreeMatchContext::eNeverMatchVisited);
-      matchingContext.SetHasSpecifiedScope();
-      matchingContext.AddScopeElement(this);
-      return nsCSSRuleProcessor::SelectorListMatches(this, matchingContext,
-                                                     aList);
-    }
-  );
+  nsCSSSelectorList* selectorList = ParseSelectorList(aSelector, aError);
+  if (!selectorList) {
+    // Either we failed (and aError already has the exception), or this
+    // is a pseudo-element-only selector that matches nothing.
+    return false;
+  }
+
+  TreeMatchContext matchingContext(false,
+                                   nsRuleWalker::eRelevantLinkUnvisited,
+                                   OwnerDoc(),
+                                   TreeMatchContext::eNeverMatchVisited);
+  matchingContext.SetHasSpecifiedScope();
+  matchingContext.AddScopeElement(this);
+  return nsCSSRuleProcessor::SelectorListMatches(this, matchingContext,
+                                                 selectorList);
 }
 
 static const nsAttrValue::EnumTable kCORSAttributeTable[] = {

dom/base/nsINode.cpp

@@ -2676,47 +2676,6 @@ nsINode::Length() const
   }
 }
 
-const RawServoSelectorList*
-nsINode::ParseServoSelectorList(
-  const nsAString& aSelectorString,
-  ErrorResult& aRv)
-{
-  nsIDocument* doc = OwnerDoc();
-  MOZ_ASSERT(doc->IsStyledByServo());
-
-  nsIDocument::SelectorCache& cache = doc->GetSelectorCache();
-  nsIDocument::SelectorCache::SelectorList* list =
-    cache.GetList(aSelectorString);
-  if (list) {
-    if (!*list) {
-      // Invalid selector.
-      aRv.ThrowDOMException(NS_ERROR_DOM_SYNTAX_ERR,
-        NS_LITERAL_CSTRING("'") + NS_ConvertUTF16toUTF8(aSelectorString) +
-        NS_LITERAL_CSTRING("' is not a valid selector")
-      );
-    }
-
-    // FIXME(emilio): Make this private and use `WithSelectorList` everywhere,
-    // then assert.
-    if (list->IsServo()) {
-      return list->AsServo();
-    }
-  }
-
-  NS_ConvertUTF16toUTF8 selectorString(aSelectorString);
-
-  auto* selectorList = Servo_SelectorList_Parse(&selectorString);
-  if (!selectorList) {
-    aRv.ThrowDOMException(NS_ERROR_DOM_SYNTAX_ERR,
-      NS_LITERAL_CSTRING("'") + selectorString +
-      NS_LITERAL_CSTRING("' is not a valid selector")
-    );
-  }
-
-  cache.CacheList(aSelectorString, UniquePtr<RawServoSelectorList>(selectorList));
-  return selectorList;
-}
-
 nsCSSSelectorList*
 nsINode::ParseSelectorList(const nsAString& aSelectorString,
                            ErrorResult& aRv)
@@ -2733,12 +2692,8 @@ nsINode::ParseSelectorList(const nsAString& aSelectorString,
         NS_LITERAL_CSTRING("' is not a valid selector")
       );
     }
-
-    // FIXME(emilio): Make this private and use `WithSelectorList` everywhere,
-    // then assert.
-    if (list->IsGecko()) {
-      return list->AsGecko();
-    }
+    MOZ_ASSERT(list->IsGecko(), "We haven't done anything with Servo yet");
+    return list->AsGecko();
   }
 
   nsCSSParser parser(doc->CSSLoader());

dom/base/nsINode.h

@@ -55,7 +55,6 @@ class nsNodeSupportsWeakRefTearoff;
 class nsNodeWeakReference;
 class nsDOMMutationObserver;
 class nsRange;
-struct RawServoSelectorList;
 
 namespace mozilla {
 class EventListenerManager;
@@ -2067,46 +2066,10 @@ protected:
    * contained pseudo-element selectors.
    *
    * A failing aRv means the string was not a valid selector.
-   *
-   * Note that the selector list returned here is owned by the owner doc's
-   * selector cache.
    */
   nsCSSSelectorList* ParseSelectorList(const nsAString& aSelectorString,
                                        mozilla::ErrorResult& aRv);
 
-  /**
-   * Parse the given selector string into a servo SelectorList.
-   *
-   * Never returns null if aRv is not failing.
-   *
-   * Note that the selector list returned here is owned by the owner doc's
-   * selector cache.
-   */
-  const RawServoSelectorList* ParseServoSelectorList(
-    const nsAString& aSelectorString,
-    mozilla::ErrorResult& aRv);
-
-  /**
-   * Parse the given selector string into a SelectorList.
-   *
-   * A null return value with a non-failing aRv means the string only
-   * contained pseudo-element selectors.
-   *
-   * A failing aRv means the string was not a valid selector.
-   */
-  template<typename Ret, typename ServoFunctor, typename GeckoFunctor>
-  Ret WithSelectorList(
-    const nsAString& aSelectorString,
-    mozilla::ErrorResult& aRv,
-    const ServoFunctor& aServoFunctor,
-    const GeckoFunctor& aGeckoFunctor)
-  {
-    if (IsStyledByServo()) {
-      return aServoFunctor(ParseServoSelectorList(aSelectorString, aRv));
-    }
-    return aGeckoFunctor(ParseSelectorList(aSelectorString, aRv));
-  }
-
 public:
   /* Event stuff that documents and elements share.  This needs to be
      NS_IMETHOD because some subclasses implement DOM methods with

layout/style/ServoBindingList.h

@@ -132,8 +132,6 @@ SERVO_BINDING_FUNC(Servo_StyleSet_ResolveForDeclarations,
 SERVO_BINDING_FUNC(Servo_SelectorList_Parse,
                    RawServoSelectorList*,
                    const nsACString* selector_list)
-SERVO_BINDING_FUNC(Servo_SelectorList_Matches, bool,
-                   RawGeckoElementBorrowed, RawServoSelectorListBorrowed)
 SERVO_BINDING_FUNC(Servo_StyleSet_AddSizeOfExcludingThis, void,
                    mozilla::MallocSizeOf malloc_size_of,
                    mozilla::MallocSizeOf malloc_enclosing_size_of,