Bug 1244585 - Remove unused Declaration::HasVariableDeclaration method. r=xidorn

layout/style/Declaration.cpp

@@ -1617,13 +1617,6 @@ Declaration::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
   return n;
 }
 
-bool
-Declaration::HasVariableDeclaration(const nsAString& aName) const
-{
-  return (mVariables && mVariables->Has(aName)) ||
-         (mImportantVariables && mImportantVariables->Has(aName));
-}
-
 void
 Declaration::GetVariableDeclaration(const nsAString& aName,
                                     nsAString& aValue) const

layout/style/Declaration.h

@@ -151,14 +151,6 @@ public:
    */
   void RemoveVariableDeclaration(const nsAString& aName);
 
-  /**
-   * Returns whether a custom property declaration for a variable with
-   * a given name exists on this object.
-   *
-   * @param aName The variable name (i.e., without the "--" prefix).
-   */
-  bool HasVariableDeclaration(const nsAString& aName) const;
-
   /**
    * Gets the string value for a custom property declaration of a variable
    * with a given name.