Updated the generated policy documentation.

chrome/app/policy/policy_templates.json

Index: chrome/app/policy/policy_templates.json
diff --git a/chrome/app/policy/policy_templates.json b/chrome/app/policy/policy_templates.json
index ab0f65936d8f06f93d3d8d77fbd821ac41603f5d..7205842888af75c6c52d98792b17cf781aafe191 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -5162,11 +5162,11 @@
       <ph name="POLICY_TEMPLATE_DOWNLOAD_URL">http://www.chromium.org/administrators/policy-templates<ex>
       http://www.chromium.org/administrators/policy-templates</ex></ph>.
 
-      The list of supported policies is the same for Chromium and Google Chrome, but their Windows registry locations differ.
+      The list of supported policies is the same for Chromium and Google Chrome.
 
-      It starts with <ph name="CHROMIUM_KEY">Software\Policies\Chromium</ph> for Chromium policies and with <ph name="GOOGLE_CHROME_KEY">Software\Policies\Google\Chrome</ph> for Google Chrome policies.
+      These policies are strictly intended to be used to configure instances of Chrome internal to your organization. Use of these policies outside of your organization (for example, in a publicly distributed program) is considered malware and will likely be labeled as malware by Google and anti-virus vendors.
 
-      These policies are strictly intended to be used to configure instances of Chrome internal to your organization.  Use of these policies outside of your organization (for example, in a publicly distributed program) is considered malware and will likely be labeled as malware by Google and anti-virus vendors.'''
+      Note: starting with Chrome 28, policies are loaded directly from the Group Policy API on Windows. Policies manually written to the registry will be ignored. See http://crbug.com/259236 for details.'''
     },
     'doc_back_to_top': {
       'desc': '''Text of a link in the generated policy documentation, that takes the user to the top of the page''',