External file text search engine support.

editor/tools/plugins/com.google.dart.tools.search/src/com/google/dart/tools/search/core/text/TextSearchEngine.java

Index: editor/tools/plugins/com.google.dart.tools.search/src/com/google/dart/tools/search/core/text/TextSearchEngine.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.search/src/com/google/dart/tools/search/core/text/TextSearchEngine.java	(revision 7355)
+++ editor/tools/plugins/com.google.dart.tools.search/src/com/google/dart/tools/search/core/text/TextSearchEngine.java	(working copy)
@@ -13,17 +13,14 @@
  */
 package com.google.dart.tools.search.core.text;
 
-import com.google.dart.tools.search.internal.core.text.TextSearchVisitor;
+import com.google.dart.tools.search.internal.core.text.TextSearchExecutor;
 import com.google.dart.tools.search.internal.ui.SearchPlugin;
 
-import java.util.regex.Pattern;
-
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 
-import org.eclipse.core.resources.IFile;
+import java.util.regex.Pattern;
 
-
 /**
  * A {@link TextSearchEngine} searches the content of a workspace file resources for matches to a
  * given search pattern.
@@ -55,15 +52,11 @@
    */
   public static TextSearchEngine createDefault() {
     return new TextSearchEngine() {
+      @Override
       public IStatus search(TextSearchScope scope, TextSearchRequestor requestor,
           Pattern searchPattern, IProgressMonitor monitor) {
-        return new TextSearchVisitor(requestor, searchPattern).search(scope, monitor);
+        return new TextSearchExecutor(requestor, searchPattern).search(scope, monitor);
       }
-
-      public IStatus search(IFile[] scope, TextSearchRequestor requestor, Pattern searchPattern,
-          IProgressMonitor monitor) {
-        return new TextSearchVisitor(requestor, searchPattern).search(scope, monitor);
-      }
     };
   }
 
@@ -80,17 +73,4 @@
   public abstract IStatus search(TextSearchScope scope, TextSearchRequestor requestor,
       Pattern searchPattern, IProgressMonitor monitor);
 
-  /**
-   * Uses a given search pattern to find matches in the content of workspace file resources. If a
-   * file is open in an editor, the editor buffer is searched.
-   * 
-   * @param requestor the search requestor that gets the search results
-   * @param scope the files to search in
-   * @param searchPattern The search pattern used to find matches in the file contents.
-   * @param monitor the progress monitor to use
-   * @return the status containing information about problems in resources searched.
-   */
-  public abstract IStatus search(IFile[] scope, TextSearchRequestor requestor,
-      Pattern searchPattern, IProgressMonitor monitor);
-
 }