Put width before height in element constructors.

lib/html/frog/html_frog.dart

Index: lib/html/frog/html_frog.dart
diff --git a/lib/html/frog/html_frog.dart b/lib/html/frog/html_frog.dart
index eb03cd588cee0f6380ab76135baa318425d479ed..4bff43aa16ab4f388825685370483ca7bde6a6d5 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -17136,10 +17136,10 @@ class _Elements {
     return _e;
   }
 
-  factory CanvasElement([int height, int width]) {
+  factory CanvasElement([int width, int height]) {
     _CanvasElementImpl _e = _document.$dom_createElement("canvas");
-    if (height != null) _e.height = height;
     if (width != null) _e.width = width;
+    if (height != null) _e.height = height;
     return _e;
   }
 
@@ -17218,11 +17218,11 @@ class _Elements {
     return _e;
   }
 
-  factory ImageElement([String src, int height, int width]) {
+  factory ImageElement([String src, int width, int height]) {
     _ImageElementImpl _e = _document.$dom_createElement("img");
     if (src != null) _e.src = src;
-    if (height != null) _e.height = height;
     if (width != null) _e.width = width;
+    if (height != null) _e.height = height;
     return _e;
   }
 
@@ -21040,7 +21040,7 @@ interface CSSValueList extends CSSValue {
 /// @domName HTMLCanvasElement
 interface CanvasElement extends Element default _Elements {
 
-  CanvasElement([int height, int width]);
+  CanvasElement([int width, int height]);
 
   /** @domName HTMLCanvasElement.height */
   int height;
@@ -25100,7 +25100,7 @@ interface ImageData {
 /// @domName HTMLImageElement
 interface ImageElement extends Element default _Elements {
 
-  ImageElement([String src, int height, int width]);
+  ImageElement([String src, int width, int height]);
 
   /** @domName HTMLImageElement.align */
   String align;