Bug 1341714 - Part 2: stylo: Add support for <table> color quirk ; r=heycam

MozReview-Commit-ID: 56IKARwfbhw

layout/reftests/bugs/reftest-stylo.list

@@ -1673,7 +1673,7 @@ fails == 641770-1.html 641770-1.html
 fails == 645491-1.html 645491-1.html
 fails == 645647-1.html 645647-1.html
 == 645647-2.html 645647-2.html
-fails == 645768-1.html 645768-1.html
+== 645768-1.html 645768-1.html
 == 650228-1.html 650228-1.html
 needs-focus == 652301-1a.html 652301-1a.html
 needs-focus == 652301-1b.html 652301-1b.html

layout/style/ServoBindings.cpp

@@ -21,6 +21,7 @@
 #include "nsIContentInlines.h"
 #include "nsIDOMNode.h"
 #include "nsIDocument.h"
+#include "nsIDocumentInlines.h"
 #include "nsIFrame.h"
 #include "nsINode.h"
 #include "nsIPresShell.h"
@@ -48,6 +49,7 @@
 #include "mozilla/dom/Element.h"
 #include "mozilla/dom/ElementInlines.h"
 #include "mozilla/dom/HTMLTableCellElement.h"
+#include "mozilla/dom/HTMLBodyElement.h"
 #include "mozilla/LookAndFeel.h"
 
 using namespace mozilla;
@@ -523,6 +525,12 @@ Gecko_FillAllMaskLists(nsStyleImageLayers* aLayers, uint32_t aMaxLen)
   nsRuleNode::FillAllMaskLists(*aLayers, aMaxLen);
 }
 
+RawGeckoElementBorrowedOrNull
+Gecko_GetBody(RawGeckoPresContextBorrowed aPresContext)
+{
+  return aPresContext->Document()->GetBodyElement();
+}
+
 nscolor Gecko_GetLookAndFeelSystemColor(int32_t aId,
                                         RawGeckoPresContextBorrowed aPresContext)
 {

layout/style/ServoBindings.h

@@ -378,6 +378,8 @@ nsCSSFontFaceRule* Gecko_CSSFontFaceRule_Create();
 void Gecko_CSSFontFaceRule_GetCssText(const nsCSSFontFaceRule* rule, nsAString* result);
 NS_DECL_FFI_REFCOUNTING(nsCSSFontFaceRule, CSSFontFaceRule);
 
+RawGeckoElementBorrowedOrNull Gecko_GetBody(RawGeckoPresContextBorrowed pres_context);
+
 // We use an int32_t here instead of a LookAndFeel::ColorID
 // because forward-declaring a nested enum/struct is impossible
 nscolor Gecko_GetLookAndFeelSystemColor(int32_t color_id,

layout/style/ServoStyleSet.cpp

@@ -176,8 +176,21 @@ ServoStyleSet::GetContext(already_AddRefed<ServoComputedValues> aComputedValues,
   // See bug 1344914.
   bool skipFixup = false;
 
-  return NS_NewStyleContext(aParentContext, mPresContext, aPseudoTag,
-                            aPseudoType, Move(aComputedValues), skipFixup);
+  RefPtr<nsStyleContext> result = NS_NewStyleContext(aParentContext, mPresContext, aPseudoTag,
+                                                     aPseudoType, Move(aComputedValues), skipFixup);
+
+  // Set the body color on the pres context. See nsStyleSet::GetContext
+  if (aElementForAnimation &&
+      aElementForAnimation->IsHTMLElement(nsGkAtoms::body) &&
+      aPseudoType == CSSPseudoElementType::NotPseudo &&
+      mPresContext->CompatibilityMode() == eCompatibility_NavQuirks) {
+    nsIDocument* doc = aElementForAnimation->GetUncomposedDoc();
+    if (doc && doc->GetBodyElement() == aElementForAnimation) {
+      // Update the prescontext's body color
+      mPresContext->SetBodyTextColor(result->StyleColor()->mColor);
+    }
+  }
+  return result.forget();
 }
 
 void