sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 0b70951e10e7563d66fb039ca402e7b478d9ba53..6f54adb87fe455edde449595fa8e8aa28c87de12 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -1473,7 +1473,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
     if ((imagedata_OR_sw is num || imagedata_OR_sw == null) && (sh is num || sh == null)) {
       return _createImageData_2(imagedata_OR_sw, sh);
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -1495,7 +1495,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
     if ((canvas_OR_image is ImageElement || canvas_OR_image == null) && (repetitionType is String || repetitionType == null)) {
       return _createPattern_2(canvas_OR_image, repetitionType);
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -1547,7 +1547,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
       _drawImage_9(canvas_OR_image_OR_video, sx_OR_x, sy_OR_y, sw_OR_width, height_OR_sh, dx, dy, dw, dh);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -1643,7 +1643,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
       _putImageData_2(imagedata, dx, dy, dirtyX, dirtyY, dirtyWidth, dirtyHeight);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -1743,7 +1743,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
       _webkitPutImageDataHD_2(imagedata, dx, dy, dirtyX, dirtyY, dirtyWidth, dirtyHeight);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -6307,7 +6307,7 @@ class DataTransferItemList extends NativeFieldWrapperClass1 {
       _add_2(data_OR_file, type);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -13045,7 +13045,7 @@ class InputElement extends _Element_Merged implements
       _setRangeText_2(replacement, start, end, selectionMode);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -18668,7 +18668,7 @@ class RtcDataChannel extends EventTarget {
       _send_4(data);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -21420,7 +21420,7 @@ class TextAreaElement extends _Element_Merged {
       _setRangeText_2(replacement, start, end, selectionMode);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -23037,7 +23037,7 @@ class Url extends NativeFieldWrapperClass1 {
     if ((blob_OR_source_OR_stream is Blob || blob_OR_source_OR_stream == null)) {
       return _createObjectURL_3(blob_OR_source_OR_stream);
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -24100,7 +24100,7 @@ class WebGLRenderingContext extends CanvasRenderingContext {
       _bufferData_3(target, data_OR_size, usage);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -24124,7 +24124,7 @@ class WebGLRenderingContext extends CanvasRenderingContext {
       _bufferSubData_2(target, offset, data);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -24508,7 +24508,7 @@ class WebGLRenderingContext extends CanvasRenderingContext {
       _texImage2D_5(target, level, internalformat, format_OR_width, height_OR_type, border_OR_canvas_OR_image_OR_pixels_OR_video);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -24560,7 +24560,7 @@ class WebGLRenderingContext extends CanvasRenderingContext {
       _texSubImage2D_5(target, level, xoffset, yoffset, format_OR_width, height_OR_type, canvas_OR_format_OR_image_OR_pixels_OR_video);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }
 
 
@@ -25001,7 +25001,7 @@ class WebSocket extends EventTarget {
       _send_7(data);
       return;
     }
-    throw "Incorrect number or type of arguments";
+    throw new ArgumentError("Incorrect number or type of arguments");
   }