diff --git a/client/cros/multimedia/display_helper.py b/client/cros/multimedia/display_helper.py
new file mode 100644
index 0000000..5502de2
--- /dev/null
+++ b/client/cros/multimedia/display_helper.py
@@ -0,0 +1,54 @@
+# Copyright 2014 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Helper related to display."""
+
+class DisplayInfo(object):
+    """The class match displayInfo object from chrome.system.display API.
+    """
+
+    class Bounds(object):
+        """The class match Bounds object from chrome.system.display API.
+
+        @param left: The x-coordinate of the upper-left corner.
+        @param top: The y-coordinate of the upper-left corner.
+        @param width: The width of the display in pixels.
+        @param height: The height of the display in pixels.
+        """
+        def __init__(self, d):
+            self.left = d['left']
+            self.top = d['top']
+            self.width = d['width']
+            self.height = d['height']
+
+
+    class Insets(object):
+        """The class match Insets object from chrome.system.display API.
+
+        @param left: The x-axis distance from the left bound.
+        @param left: The y-axis distance from the top bound.
+        @param left: The x-axis distance from the right bound.
+        @param left: The y-axis distance from the bottom bound.
+        """
+
+        def __init__(self, d):
+            self.left = d['left']
+            self.top = d['top']
+            self.right = d['right']
+            self.bottom = d['bottom']
+
+
+    def __init__(self, d):
+        self.display_id = d['id']
+        self.name = d['name']
+        self.mirroring_source_id = d['mirroringSourceId']
+        self.is_primary = d['isPrimary']
+        self.is_internal = d['isInternal']
+        self.is_enabled = d['isEnabled']
+        self.dpi_x = d['dpiX']
+        self.dpi_y = d['dpiY']
+        self.rotation = d['rotation']
+        self.bounds = self.Bounds(d['bounds'])
+        self.overscan = self.Insets(d['overscan'])
+        self.work_area = self.Bounds(d['workArea'])
diff --git a/server/cros/chameleon/display_client.py b/server/cros/chameleon/display_client.py
index 711ddd1..5b327b2 100644
--- a/server/cros/chameleon/display_client.py
+++ b/server/cros/chameleon/display_client.py
@@ -7,59 +7,10 @@
 
 from PIL import Image
 
+from autotest_lib.client.cros.multimedia.display_helper import DisplayInfo
 from autotest_lib.server.cros.chameleon import image_generator
 
 
-class DisplayInfo(object):
-    """The class match displayInfo object from chrome.system.display API.
-    """
-
-    class Bounds(object):
-        """The class match Bounds object from chrome.system.display API.
-
-        @param left: The x-coordinate of the upper-left corner.
-        @param top: The y-coordinate of the upper-left corner.
-        @param width: The width of the display in pixels.
-        @param height: The height of the display in pixels.
-        """
-        def __init__(self, d):
-            self.left = d['left']
-            self.top = d['top']
-            self.width = d['width']
-            self.height = d['height']
-
-
-    class Insets(object):
-        """The class match Insets object from chrome.system.display API.
-
-        @param left: The x-axis distance from the left bound.
-        @param left: The y-axis distance from the top bound.
-        @param left: The x-axis distance from the right bound.
-        @param left: The y-axis distance from the bottom bound.
-        """
-
-        def __init__(self, d):
-            self.left = d['left']
-            self.top = d['top']
-            self.right = d['right']
-            self.bottom = d['bottom']
-
-
-    def __init__(self, d):
-        self.display_id = d['id']
-        self.name = d['name']
-        self.mirroring_source_id = d['mirroringSourceId']
-        self.is_primary = d['isPrimary']
-        self.is_internal = d['isInternal']
-        self.is_enabled = d['isEnabled']
-        self.dpi_x = d['dpiX']
-        self.dpi_y = d['dpiY']
-        self.rotation = d['rotation']
-        self.bounds = self.Bounds(d['bounds'])
-        self.overscan = self.Insets(d['overscan'])
-        self.work_area = self.Bounds(d['workArea'])
-
-
 class DisplayClient(object):
     """DisplayClient is a layer to control display logic over a remote DUT.