Refactored analysis into a build participant

editor/tools/plugins/com.google.dart.tools.core/schema/buildParticipants.exsd

 <?xml version='1.0' encoding='UTF-8'?>
 <!-- Schema file written by PDE -->
 <schema targetNamespace="com.google.dart.tools.core" xmlns="http://www.w3.org/2001/XMLSchema">
 <annotation>
       <appInfo>
          <meta.schema plugin="com.google.dart.tools.core" id="buildParticipant" name="Build Participants"/>
       </appInfo>
       <documentation>
          This extension point allows clients to participate in the build process by receiving notifications during the build, via a com.google.dart.tools.core.builder.BuildParticipant.
       </documentation>
@@ skipping 47 matching lines @@
             <annotation>
                <documentation>
                   a unique identifier for this participant
                </documentation>
             </annotation>
          </attribute>
          <attribute name="class" type="string" use="required">
             <annotation>
                <documentation>
                   The class that implements this compilation participant.  This class must implement &lt;code&gt;com.google.dart.tools.core.builder.BuildParticipant&lt;/code&gt; and provided a public 0-argument constructor.
-
-(Deprecated) Classes that implement &lt;code&gt;com.google.dart.tools.core.builder.DartBuildParticipant&lt;/code&gt; rather than the new &lt;code&gt;BuildParticipant&lt;/code&gt; interface are currently supported, but this support will be removed sometime in the future.
                </documentation>
                <appInfo>
-                  <meta.attribute kind="java" basedOn=":com.google.dart.tools.core.builder.DartBuildParticipant"/>
+                  <meta.attribute kind="java" basedOn=":com.google.dart.tools.core.builder.BuildParticipant"/>
                </appInfo>
             </annotation>
          </attribute>
          <attribute name="priority" type="string">
             <annotation>
                <documentation>
                   The priority of this build participant indicating the order in which participants should be called. A lower number indicates a higher priority. The default priority is 50.
                </documentation>
             </annotation>
          </attribute>
@@ skipping 17 matching lines @@
    &lt;/buildParticipant&gt;
 &lt;/extension&gt;
 &lt;/pre&gt;
       </documentation>
    </annotation>
 
 
 
 
 </schema>