Stop using [InterfaceName] in CSS IDL files

Source/core/css/WebKitCSSMatrix.idl

Index: Source/core/css/WebKitCSSMatrix.idl
diff --git a/Source/core/css/CSSMatrix.idl b/Source/core/css/WebKitCSSMatrix.idl
similarity index 86%
rename from Source/core/css/CSSMatrix.idl
rename to Source/core/css/WebKitCSSMatrix.idl
index 8f2e2bbe052a77238f29ab8da8c533863efbde44..95eb35c501859e77b5440888d5aaccb90600559f 100644
--- a/Source/core/css/CSSMatrix.idl
+++ b/Source/core/css/WebKitCSSMatrix.idl
@@ -26,9 +26,9 @@
 // Introduced in DOM Level ?:
 [
     Constructor([Default=NullString] optional DOMString cssValue),
-    InterfaceName=WebKitCSSMatrix,
+    ImplementedAs=CSSMatrix,
     RaisesException
-] interface CSSMatrix {
+] interface WebKitCSSMatrix {
 
     // These attributes are simple aliases for certain elements of the 4x4 matrix
     attribute double a; // alias for m11
@@ -58,46 +58,46 @@
     [RaisesException] void setMatrixValue([Default=Undefined] optional DOMString string);
     
     // Multiply this matrix by secondMatrix, on the right (result = this * secondMatrix)
-    [Immutable] CSSMatrix multiply([Default=Undefined] optional CSSMatrix secondMatrix);
+    [Immutable] WebKitCSSMatrix multiply([Default=Undefined] optional WebKitCSSMatrix secondMatrix);
     
     // Return the inverse of this matrix. Throw an exception if the matrix is not invertible
-    [Immutable, RaisesException] CSSMatrix inverse();
+    [Immutable, RaisesException] WebKitCSSMatrix inverse();
     
     // Return this matrix translated by the passed values.
     // Passing a NaN will use a value of 0. This allows the 3D form to used for 2D operations    
-    [Immutable] CSSMatrix translate([Default=Undefined] optional double x, 
+    [Immutable] WebKitCSSMatrix translate([Default=Undefined] optional double x, 
                                           [Default=Undefined] optional double y, 
                                           [Default=Undefined] optional double z);
     
     // Returns this matrix scaled by the passed values.
     // Passing scaleX or scaleZ as NaN uses a value of 1, but passing scaleY of NaN 
     // makes it the same as scaleX. This allows the 3D form to used for 2D operations
-    [Immutable] CSSMatrix scale([Default=Undefined] optional double scaleX, 
+    [Immutable] WebKitCSSMatrix scale([Default=Undefined] optional double scaleX, 
                                       [Default=Undefined] optional double scaleY, 
                                       [Default=Undefined] optional double scaleZ);
     
     // Returns this matrix rotated by the passed values.
     // If rotY and rotZ are NaN, rotate about Z (rotX=0, rotateY=0, rotateZ=rotX).
     // Otherwise use a rotation value of 0 for any passed NaN.    
-    [Immutable] CSSMatrix rotate([Default=Undefined] optional double rotX, 
+    [Immutable] WebKitCSSMatrix rotate([Default=Undefined] optional double rotX, 
                                        [Default=Undefined] optional double rotY, 
                                        [Default=Undefined] optional double rotZ);
     
     // Returns this matrix rotated about the passed axis by the passed angle.
     // Passing a NaN will use a value of 0. If the axis is (0,0,0) use a value
     // of (0,0,1).
-    [Immutable] CSSMatrix rotateAxisAngle([Default=Undefined] optional double x, 
+    [Immutable] WebKitCSSMatrix rotateAxisAngle([Default=Undefined] optional double x, 
                                                 [Default=Undefined] optional double y, 
                                                 [Default=Undefined] optional double z, 
                                                 [Default=Undefined] optional double angle);
 
     // Returns this matrix skewed along the X axis by the passed values.
     // Passing a NaN will use a value of 0.
-    [Immutable] CSSMatrix skewX([Default=Undefined] optional double angle);
+    [Immutable] WebKitCSSMatrix skewX([Default=Undefined] optional double angle);
 
     // Returns this matrix skewed along the Y axis by the passed values.
     // Passing a NaN will use a value of 0.
-    [Immutable] CSSMatrix skewY([Default=Undefined] optional double angle);
+    [Immutable] WebKitCSSMatrix skewY([Default=Undefined] optional double angle);
 
     [NotEnumerable] DOMString toString();
 };