Remove unused method and test

Bug: 4331476
Change-Id: I43811a9403b4d7a668433fb4749bf10c79f083f1
diff --git a/src/com/android/exchange/EasSyncService.java b/src/com/android/exchange/EasSyncService.java
index 22798ca..4a8795e 100644
--- a/src/com/android/exchange/EasSyncService.java
+++ b/src/com/android/exchange/EasSyncService.java
@@ -96,7 +96,6 @@
 import android.util.Xml;
 
 import java.io.ByteArrayOutputStream;
-import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
@@ -1073,37 +1072,6 @@
         }
     }
 
-    public File createUniqueFileInternal(String dir, String filename) {
-        File directory;
-        if (dir == null) {
-            directory = mContext.getFilesDir();
-        } else {
-            directory = new File(dir);
-        }
-        if (!directory.exists()) {
-            directory.mkdirs();
-        }
-        File file = new File(directory, filename);
-        if (!file.exists()) {
-            return file;
-        }
-        // Get the extension of the file, if any.
-        int index = filename.lastIndexOf('.');
-        String name = filename;
-        String extension = "";
-        if (index != -1) {
-            name = filename.substring(0, index);
-            extension = filename.substring(index);
-        }
-        for (int i = 2; i < Integer.MAX_VALUE; i++) {
-            file = new File(directory, name + '-' + i + extension);
-            if (!file.exists()) {
-                return file;
-            }
-        }
-        return null;
-    }
-
     /**
      * Loads an attachment, based on the PartRequest passed in.  The PartRequest is basically our
      * wrapper for Attachment
diff --git a/tests/src/com/android/exchange/EasSyncServiceTests.java b/tests/src/com/android/exchange/EasSyncServiceTests.java
index 791e41a..c59b9dd 100644
--- a/tests/src/com/android/exchange/EasSyncServiceTests.java
+++ b/tests/src/com/android/exchange/EasSyncServiceTests.java
@@ -28,7 +28,6 @@
 import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Base64;
 
-import java.io.File;
 import java.io.IOException;
 
 /**
@@ -50,48 +49,6 @@
         mMockContext = getContext();
     }
 
-   /**
-     * Test that our unique file name algorithm works as expected.
-     * @throws IOException
-     */
-    public void testCreateUniqueFile() throws IOException {
-        // Delete existing files, if they exist
-        EasSyncService svc = new EasSyncService();
-        svc.mContext = mMockContext;
-        try {
-            String fileName = "A11achm3n1.doc";
-            File uniqueFile = svc.createUniqueFileInternal(null, fileName);
-            assertEquals(fileName, uniqueFile.getName());
-            if (uniqueFile.createNewFile()) {
-                uniqueFile = svc.createUniqueFileInternal(null, fileName);
-                assertEquals("A11achm3n1-2.doc", uniqueFile.getName());
-                if (uniqueFile.createNewFile()) {
-                    uniqueFile = svc.createUniqueFileInternal(null, fileName);
-                    assertEquals("A11achm3n1-3.doc", uniqueFile.getName());
-                }
-           }
-            fileName = "A11achm3n1";
-            uniqueFile = svc.createUniqueFileInternal(null, fileName);
-            assertEquals(fileName, uniqueFile.getName());
-            if (uniqueFile.createNewFile()) {
-                uniqueFile = svc.createUniqueFileInternal(null, fileName);
-                assertEquals("A11achm3n1-2", uniqueFile.getName());
-            }
-        } finally {
-            // These are the files that should be created earlier in the test.  Make sure
-            // they are deleted for the next go-around
-            File directory = getContext().getFilesDir();
-            String[] fileNames = new String[] {"A11achm3n1.doc", "A11achm3n1-2.doc", "A11achm3n1"};
-            int length = fileNames.length;
-            for (int i = 0; i < length; i++) {
-                File file = new File(directory, fileNames[i]);
-                if (file.exists()) {
-                    file.delete();
-                }
-            }
-        }
-    }
-
     public void testAddHeaders() {
         HttpRequestBase method = new HttpPost();
         EasSyncService svc = new EasSyncService();