Add Diagnose Errors button to navigation error page

chrome/renderer/resources/neterror.html

Index: chrome/renderer/resources/neterror.html
diff --git a/chrome/renderer/resources/neterror.html b/chrome/renderer/resources/neterror.html
index 41c80c8d92b0798cd22c06bdf86086209c0af2c5..bfe79a8ef364d376cf2814b236ec602d6508389f 100644
--- a/chrome/renderer/resources/neterror.html
+++ b/chrome/renderer/resources/neterror.html
@@ -301,6 +301,10 @@ function toggleHelpBox() {
   }
 }
 
+function diagnoseErrors() {
+  location = "chrome-extension://kodldpbjkkmmnilagfdheibampofhaom/index.html";
+}
+
 // Subframes use a different layout but the same html file.  This is to make it
 // easier to support platforms that load the error page via different
 // mechanisms (Currently just iOS).
@@ -339,6 +343,8 @@ function updateForDnsProbe(strings) {
       <div class="suggestion-header" jsvalues=".innerHTML:header"></div>
       <div class="suggestion-body" jsvalues=".innerHTML:body"></div>
     </div>
+    <button id="diagnose-button" onclick="diagnoseErrors()"

[Dmitry Polukhin, 2013/07/26 00:33:41]

Please show this button only in case of Chrome OS.

[Zachary Kuznia, 2013/07/26 00:54:41]

Done.

+      jscontent="diagnose">Diagnose</button>
     <div class="error-code" jscontent="errorCode"></div>
    </div>
   </div>