Bug 1438193 - part11-5: nsTextEquivUtils r=surkov

turn nsTextEquivUtils functions into const

accessible/base/nsTextEquivUtils.cpp

@@ -21,13 +21,13 @@ using namespace mozilla::a11y;
  * for bailing out during recursive text computation, or for special cases
  * like step f. of the ARIA implementation guide.
  */
-static Accessible* sInitiatorAcc = nullptr;
+static const Accessible* sInitiatorAcc = nullptr;
 
 ////////////////////////////////////////////////////////////////////////////////
 // nsTextEquivUtils. Public.
 
 nsresult
-nsTextEquivUtils::GetNameFromSubtree(Accessible* aAccessible,
+nsTextEquivUtils::GetNameFromSubtree(const Accessible* aAccessible,
                                      nsAString& aName)
 {
   aName.Truncate();
@@ -53,7 +53,7 @@ nsTextEquivUtils::GetNameFromSubtree(Accessible* aAccessible,
 }
 
 nsresult
-nsTextEquivUtils::GetTextEquivFromIDRefs(Accessible* aAccessible,
+nsTextEquivUtils::GetTextEquivFromIDRefs(const Accessible* aAccessible,
                                          nsAtom *aIDRefsAttr,
                                          nsAString& aTextEquiv)
 {
@@ -78,7 +78,7 @@ nsTextEquivUtils::GetTextEquivFromIDRefs(Accessible* aAccessible,
 }
 
 nsresult
-nsTextEquivUtils::AppendTextEquivFromContent(Accessible* aInitiatorAcc,
+nsTextEquivUtils::AppendTextEquivFromContent(const Accessible* aInitiatorAcc,
                                              nsIContent *aContent,
                                              nsAString *aString)
 {
@@ -170,7 +170,7 @@ nsTextEquivUtils::AppendTextEquivFromTextContent(nsIContent *aContent,
 // nsTextEquivUtils. Private.
 
 nsresult
-nsTextEquivUtils::AppendFromAccessibleChildren(Accessible* aAccessible,
+nsTextEquivUtils::AppendFromAccessibleChildren(const Accessible* aAccessible,
                                                nsAString *aString)
 {
   nsresult rv = NS_OK_NO_NAME_CLAUSE_HANDLED;

accessible/base/nsTextEquivUtils.h

@@ -61,14 +61,14 @@ public:
    * @param aAccessible [in] the given accessible
    * @param aName       [out] accessible name
    */
-  static nsresult GetNameFromSubtree(Accessible* aAccessible,
+  static nsresult GetNameFromSubtree(const Accessible* aAccessible,
                                      nsAString& aName);
 
   /**
    * Calculates text equivalent from the subtree. Similar to GetNameFromSubtree.
    * However it returns not empty result for things like HTML p.
    */
-  static void GetTextEquivFromSubtree(Accessible* aAccessible,
+  static void GetTextEquivFromSubtree(const Accessible* aAccessible,
                                       nsString& aTextEquiv)
   {
     aTextEquiv.Truncate();
@@ -85,7 +85,7 @@ public:
    * @param aIDRefsAttr  [in] IDRefs attribute on DOM node of the accessible
    * @param aTextEquiv   [out] result text equivalent
    */
-  static nsresult GetTextEquivFromIDRefs(Accessible* aAccessible,
+  static nsresult GetTextEquivFromIDRefs(const Accessible* aAccessible,
                                          nsAtom *aIDRefsAttr,
                                          nsAString& aTextEquiv);
 
@@ -100,7 +100,7 @@ public:
    *                       computed from
    * @param aString        [in, out] the string
    */
-  static nsresult AppendTextEquivFromContent(Accessible* aInitiatorAcc,
+  static nsresult AppendTextEquivFromContent(const Accessible* aInitiatorAcc,
                                              nsIContent *aContent,
                                              nsAString *aString);
 
@@ -119,7 +119,7 @@ private:
    * Iterates accessible children and calculates text equivalent from each
    * child.
    */
-  static nsresult AppendFromAccessibleChildren(Accessible* aAccessible,
+  static nsresult AppendFromAccessibleChildren(const Accessible* aAccessible,
                                                nsAString *aString);
 
   /**