Remove dart:blink dependency on dart:html. This CL moves all of the

tools/dom/templates/html/dartium/_blink_dartium.darttemplate

Index: tools/dom/templates/html/dartium/_blink_dartium.darttemplate
diff --git a/tools/dom/templates/html/dartium/_blink_dartium.darttemplate b/tools/dom/templates/html/dartium/_blink_dartium.darttemplate
index 04c43177fd8a175a6fe36c92029ae63479b8f52e..eb097736a679e44f685b3e0210989f4bee729a27 100644
--- a/tools/dom/templates/html/dartium/_blink_dartium.darttemplate
+++ b/tools/dom/templates/html/dartium/_blink_dartium.darttemplate
@@ -10,121 +10,8 @@
  * up the dart:html library.
  */
 library dart.dom._blink;
-// TODO(leafp) These are mostly copied over from dart:html.  When
-// we shift dart:blink generation over to dartium, this dependency 
-// should go away, or at least be reconsidered.
-import 'dart:async';
-import 'dart:collection';
-import 'dart:html';
-import 'dart:_internal' hide Symbol, deprecated;
-import 'dart:html_common';
-import 'dart:indexed_db';
-import 'dart:isolate';
-import "dart:convert";
-import 'dart:math';
-// TODO(vsm): Remove this when we can do the proper checking in
-// native code for custom elements.
-import 'dart:mirrors';
-import 'dart:nativewrappers';
-import 'dart:typed_data';
-import 'dart:web_gl' as gl;
-import 'dart:web_gl' show web_glBlinkMap;
-import 'dart:web_sql';
-// Not actually used, but imported since dart:html can generate these objects.
-import 'dart:svg' as svg;
-import 'dart:svg' show Matrix;
-import 'dart:svg' show SvgSvgElement;
-import 'dart:svg' show svgBlinkMap;
-import 'dart:web_audio' show AudioNode, AudioParam, web_audioBlinkMap;
 
 part '$AUXILIARY_DIR/blink_native_DOMImplementation.dart';
 
 $!GENERATED_DART_FILES
 
-// TODO(vsm): This should be moved out of this library.  Into dart:html?
-Type _getType(String key) {
-  var result;
-
-  // TODO(vsm): Add Cross Frame and JS types here as well.
-
-  // Check the html library.
-  result = _getHtmlType(key);
-  if (result != null) {
-    return result;
-  }
-
-  // Check the web gl library.
-  result = _getWebGlType(key);
-  if (result != null) {
-    return result;
-  }
-
-  // Check the indexed db library.
-  result = _getIndexDbType(key);
-  if (result != null) {
-    return result;
-  }
-
-  // Check the web audio library.
-  result = _getWebAudioType(key);
-  if (result != null) {
-    return result;
-  }
-
-  // Check the web sql library.
-  result = _getWebSqlType(key);
-  if (result != null) {
-    return result;
-  }
-
-  // Check the svg library.
-  result = _getSvgType(key);
-  if (result != null) {
-    return result;
-  }
-
-  return null;
-}
-
-Type _getHtmlType(String key) {
-  if (htmlBlinkMap.containsKey(key)) {
-    return htmlBlinkMap[key]();
-  }
-  return null;
-}
-
-Type _getWebGlType(String key) {
-  if (web_glBlinkMap.containsKey(key)) {
-    return web_glBlinkMap[key]();
-  }
-  return null;
-}
-
-Type _getIndexDbType(String key) {
-  if (indexed_dbBlinkMap.containsKey(key)) {
-    return indexed_dbBlinkMap[key]();
-  }
-  return null;
-}
-
-Type _getWebAudioType(String key) {
-  if (web_audioBlinkMap.containsKey(key)) {
-    return web_audioBlinkMap[key]();
-  }
-  return null;
-}
-
-Type _getWebSqlType(String key) {
-  if (web_sqlBlinkMap.containsKey(key)) {
-    return web_sqlBlinkMap[key]();
-  }
-  return null;
-}
-
-Type _getSvgType(String key) {
-  if (svgBlinkMap.containsKey(key)) {
-    return svgBlinkMap[key]();
-  }
-  return null;
-}
-