Fix a buggy link.

BUG=none
TEST=none
TBR=aa

Review URL: http://codereview.chromium.org/449072

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33491 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/docs/manifest.html

@@ -297,7 +297,7 @@ are <b>name</b> and <b>version</b>.
 
   <em>// Add any of these that you need</em>
   "<a href="background_pages.html">background_page</a>": "<em>aFile</em>.html",
-  "<a href="ntp.html">chrome_url_overrides</a>": {...},
+  "<a href="override.html">chrome_url_overrides</a>": {...},
   "<a href="content_scripts.html">content_scripts</a>": [...],
   "<a href="options.html">options_page</a>": "<em>aFile</em>.html",
   "<a href="#permissions">permissions</a>": [...],

chrome/common/extensions/docs/static/manifest.html

@@ -34,7 +34,7 @@ are <b>name</b> and <b>version</b>.
 
   <em>// Add any of these that you need</em>
   "<a href="background_pages.html">background_page</a>": "<em>aFile</em>.html",
-  "<a href="ntp.html">chrome_url_overrides</a>": {...},
+  "<a href="override.html">chrome_url_overrides</a>": {...},
   "<a href="content_scripts.html">content_scripts</a>": [...],
   "<a href="options.html">options_page</a>": "<em>aFile</em>.html",
   "<a href="#permissions">permissions</a>": [...],