The first table row is pushed down by border-spacing.

third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html

Index: third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html
diff --git a/third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html b/third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html
index 258001ca9aa29c72d1f7ac9cf29031cd7e15851c..34daf501e4e0793e4261b58813bb6d5be4fba583 100644
--- a/third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html
+++ b/third_party/WebKit/LayoutTests/printing/avoid-setting-header-offset-on-header-expected.html
@@ -17,7 +17,7 @@ if (window.testRunner)
     testRunner.setPrinting();
 </script>
 <!-- crbug.com/702605: Header uses offset intended for rows. The first header row should be at the top of the first page. -->
-<table>
+<table cellspacing="0">
     <tr>
       <td>header 1</td>
       <td>header 2</td>
@@ -103,16 +103,16 @@ if (window.testRunner)
       <td>2-16</td>
       <td>3-16</td>
     </tr>
-    <tr class="header">
-      <td>header 1</td>
-      <td>header 2</td>
-      <td>header 3</td>
-    </tr>
     <tr>
       <td>1-17</td>
       <td>2-17</td>
       <td>3-17</td>
     </tr>
+    <tr class="header">
+      <td>header 1</td>
+      <td>header 2</td>
+      <td>header 3</td>
+    </tr>
     <tr>
       <td>1-18</td>
       <td>2-18</td>