Bug 1438193 - turn IsLink() into a const function, r=surkov

accessible/generic/Accessible.cpp

@@ -2346,7 +2346,7 @@ Accessible::GetIndexOfEmbeddedChild(Accessible* aChild)
 // HyperLinkAccessible methods
 
 bool
-Accessible::IsLink()
+Accessible::IsLink() const
 {
   // Every embedded accessible within hypertext accessible implements
   // hyperlink interface.

accessible/generic/Accessible.h

@@ -726,7 +726,7 @@ public:
   /**
    * Return true if the accessible is hyper link accessible.
    */
-  virtual bool IsLink();
+  virtual bool IsLink() const;
 
   /**
    * Return the start offset of the link within the parent accessible.

accessible/html/HTMLLinkAccessible.cpp

@@ -121,7 +121,7 @@ HTMLLinkAccessible::DoAction(uint8_t aIndex)
 // HyperLinkAccessible
 
 bool
-HTMLLinkAccessible::IsLink()
+HTMLLinkAccessible::IsLink() const
 {
   // Expose HyperLinkAccessible unconditionally.
   return true;

accessible/html/HTMLLinkAccessible.h

@@ -32,7 +32,7 @@ public:
   virtual bool DoAction(uint8_t aIndex) override;
 
   // HyperLinkAccessible
-  virtual bool IsLink() override;
+  virtual bool IsLink() const override;
   virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) override;
 
 protected:

accessible/xul/XULElementAccessibles.cpp

@@ -240,7 +240,7 @@ XULLinkAccessible::DoAction(uint8_t aIndex)
 // XULLinkAccessible: HyperLinkAccessible
 
 bool
-XULLinkAccessible::IsLink()
+XULLinkAccessible::IsLink() const
 {
   // Expose HyperLinkAccessible unconditionally.
   return true;

accessible/xul/XULElementAccessibles.h

@@ -95,7 +95,7 @@ public:
   virtual bool DoAction(uint8_t aIndex) override;
 
   // HyperLinkAccessible
-  virtual bool IsLink() override;
+  virtual bool IsLink() const override;
   virtual uint32_t StartOffset() override;
   virtual uint32_t EndOffset() override;
   virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) override;