Issue #2548 - Part 1 - Implement MathML DOM and pre-requisites. https://bugzilla.mozilla.org/show_bug.cgi?id=1571487 Introduce interface mixins. https://bugzilla.mozilla.org/show_bug.cgi?id=1414372 Switch XPathEvaluator to using IDL mixins and remaining users of IDL "implements" over to mixin syntax. https://bugzilla.mozilla.org/show_bug.cgi?id=1574195 Introduce GlobalEventHandlers/DocumentAndElementEventHandlers/ElementCSSInlineStyle mixin. https://bugzilla.mozilla.org/show_bug.cgi?id=1579457 Introduce DocumentAndElementEventHandlers to more closely align with the HTML spec. https://bugzilla.mozilla.org/show_bug.cgi?id=1330457 Remove the use of IsCallerChrome in FetchRequest. https://bugzilla.mozilla.org/show_bug.cgi?id=1335368

layout/mathml/nsMathMLmpaddedFrame.cpp

@@ -5,7 +5,7 @@
 
 
 #include "nsMathMLmpaddedFrame.h"
-#include "nsMathMLElement.h"
+#include "mozilla/dom/MathMLElement.h"
 #include "mozilla/gfx/2D.h"
 #include <algorithm>
 
@@ -211,9 +211,8 @@ nsMathMLmpaddedFrame::ParseAttribute(nsString&   aString,
   else if (!gotPercent) { // percentage can only apply to a pseudo-unit
 
     // see if the unit is a named-space
-    if (nsMathMLElement::ParseNamedSpaceValue(unit, aCSSValue,
-                                              nsMathMLElement::
-                                              PARSE_ALLOW_NEGATIVE)) {
+    if (dom::MathMLElement::ParseNamedSpaceValue(unit, aCSSValue,
+                                                 dom::MathMLElement::PARSE_ALLOW_NEGATIVE)) {
       // re-scale properly, and we know that the unit of the named-space is 'em'
       floatValue *= aCSSValue.GetFloatValue();
       aCSSValue.SetFloatValue(floatValue, eCSSUnit_EM);
@@ -225,9 +224,9 @@ nsMathMLmpaddedFrame::ParseAttribute(nsString&   aString,
     // We are not supposed to have a unitless, percent, negative or namedspace
     // value here.
     number.Append(unit); // leave the sign out if it was there
-    if (nsMathMLElement::ParseNumericValue(number, aCSSValue, 
-                                           nsMathMLElement::
-                                           PARSE_SUPPRESS_WARNINGS, nullptr))
+    if (dom::MathMLElement::ParseNumericValue(number, aCSSValue, 
+                                              dom::MathMLElement::PARSE_SUPPRESS_WARNINGS, 
+                                              nullptr))
       return true;
   }