remove unused search and adapter classes and methods

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/ResourceAdapterFactory.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/ResourceAdapterFactory.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/ResourceAdapterFactory.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/ResourceAdapterFactory.java
deleted file mode 100644
index e2cec7d4b745ee44a1311a94b129e3dfd73b160f..0000000000000000000000000000000000000000
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/ResourceAdapterFactory.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2011, the Dart project authors.
- * 
- * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- * 
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Unless required by applicable law or agreed to in writing, software distributed under the License
- * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.google.dart.tools.ui;
-
-import com.google.dart.tools.core.DartCore;
-import com.google.dart.tools.core.model.DartElement;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.IAdapterFactory;
-import org.eclipse.ui.part.FileEditorInput;
-
-public class ResourceAdapterFactory implements IAdapterFactory {
-
-  private static Class<?>[] PROPERTIES = new Class<?>[] {DartElement.class};
-
-  @Override
-  public Object getAdapter(Object element, @SuppressWarnings("rawtypes") Class key) {
-    if (DartElement.class.equals(key)) {
-
-      // Performance optimization, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=133141
-      if (element instanceof IFile) {
-        DartElement de = DartToolsPlugin.getDefault().getWorkingCopyManager().getWorkingCopy(
-            new FileEditorInput((IFile) element));
-        if (de != null) {
-          return de;
-        }
-      }
-
-      return DartCore.create((IResource) element);
-    }
-    return null;
-  }
-
-  @Override
-  public Class<?>[] getAdapterList() {
-    return PROPERTIES;
-  }
-}