Making almost all dom_ methods private. Exceptions will be addressed in a later CL.

sdk/lib/svg/dartium/svg_dartium.dart

Index: sdk/lib/svg/dartium/svg_dartium.dart
diff --git a/sdk/lib/svg/dartium/svg_dartium.dart b/sdk/lib/svg/dartium/svg_dartium.dart
index 1095161aefbd36b6822d5fee3d9939ebb0335ea6..62ffaf0b46ecc6c9fd6b7fdd34c840e6b0f38850 100644
--- a/sdk/lib/svg/dartium/svg_dartium.dart
+++ b/sdk/lib/svg/dartium/svg_dartium.dart
@@ -941,7 +941,7 @@ class ElementInstance extends EventTarget {
   @DomName('SVGElementInstance.addEventListener')
   @DocsEditable()
   @Experimental() // untriaged
-  void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native "SVGElementInstance_addEventListener_Callback";
+  void _addEventListener(String type, EventListener listener, [bool useCapture]) native "SVGElementInstance_addEventListener_Callback";
 
   @DomName('SVGElementInstance.dispatchEvent')
   @DocsEditable()
@@ -951,7 +951,7 @@ class ElementInstance extends EventTarget {
   @DomName('SVGElementInstance.removeEventListener')
   @DocsEditable()
   @Experimental() // untriaged
-  void $dom_removeEventListener(String type, EventListener listener, [bool useCapture]) native "SVGElementInstance_removeEventListener_Callback";
+  void _removeEventListener(String type, EventListener listener, [bool useCapture]) native "SVGElementInstance_removeEventListener_Callback";
 
   @DomName('SVGElementInstance.onabort')
   @DocsEditable()
@@ -5306,7 +5306,7 @@ class SvgDocument extends Document {
 
   @DomName('SVGDocument.createEvent')
   @DocsEditable()
-  Event $dom_createEvent(String eventType) native "SVGDocument_createEvent_Callback";
+  Event _createEvent(String eventType) native "SVGDocument_createEvent_Callback";
 
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
@@ -5403,8 +5403,8 @@ class SvgElement extends Element {
     throw new UnsupportedError("Cannot invoke insertAdjacentElement on SVG.");
   }
 
-  HtmlCollection get $dom_children {
-    throw new UnsupportedError("Cannot get dom_children on SVG.");
+  HtmlCollection get _children {
+    throw new UnsupportedError("Cannot get _children on SVG.");
   }
 
   bool get isContentEditable => false;
@@ -5427,7 +5427,7 @@ class SvgElement extends Element {
   @DomName('SVGElement.className')
   @DocsEditable()
   @Experimental() // untriaged
-  AnimatedString get $dom_svgClassName native "SVGElement_className_Getter";
+  AnimatedString get _svgClassName native "SVGElement_className_Getter";
 
   @DomName('SVGElement.ownerSVGElement')
   @DocsEditable()