Add source column to chrome://policy showing the origins of policies.

chrome/browser/ui/webui/policy_ui.cc

Index: chrome/browser/ui/webui/policy_ui.cc
diff --git a/chrome/browser/ui/webui/policy_ui.cc b/chrome/browser/ui/webui/policy_ui.cc
index 03d43485804641fe4dced0da2ec12c88bcb51905..91b609c64040e3acdee7bcaeb62066b47aa1db4e 100644
--- a/chrome/browser/ui/webui/policy_ui.cc
+++ b/chrome/browser/ui/webui/policy_ui.cc
@@ -12,6 +12,7 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/prefs/pref_service.h"

[Thiemo Nagel, 2015/09/01 17:40:36]

What is this required for?

[fhorschig, 2015/09/04 06:53:53]

Deprecated. Removed.

 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "base/values.h"
@@ -108,6 +109,7 @@ content::WebUIDataSource* CreatePolicyUIHTMLSource() {
   source->AddLocalizedString("headerName", IDS_POLICY_HEADER_NAME);
   source->AddLocalizedString("headerValue", IDS_POLICY_HEADER_VALUE);
   source->AddLocalizedString("headerStatus", IDS_POLICY_HEADER_STATUS);
+  source->AddLocalizedString("headerSource", IDS_POLICY_HEADER_SOURCE);
   source->AddLocalizedString("showExpandedValue",
                              IDS_POLICY_SHOW_EXPANDED_VALUE);
   source->AddLocalizedString("hideExpandedValue",
@@ -116,6 +118,9 @@ content::WebUIDataSource* CreatePolicyUIHTMLSource() {
   source->AddLocalizedString("scopeDevice", IDS_POLICY_SCOPE_DEVICE);
   source->AddLocalizedString("levelRecommended", IDS_POLICY_LEVEL_RECOMMENDED);
   source->AddLocalizedString("levelMandatory", IDS_POLICY_LEVEL_MANDATORY);
+  source->AddLocalizedString("sourceEnterprise", IDS_POLICY_SOURCE_ENTERPRISE);
+  source->AddLocalizedString("sourcePlatform", IDS_POLICY_SOURCE_PLATFORM);
+  source->AddLocalizedString("sourceCloud", IDS_POLICY_SOURCE_CLOUD);
   source->AddLocalizedString("ok", IDS_POLICY_OK);
   source->AddLocalizedString("unset", IDS_POLICY_UNSET);
   source->AddLocalizedString("unknown", IDS_POLICY_UNKNOWN);
@@ -402,6 +407,9 @@ class PolicyUIHandler : public content::WebUIMessageHandler,
                        policy::PolicyErrorMap* errors,
                        base::DictionaryValue* values) const;
 
+  // Asks the profile's Pref_Service for the store that finally set the policy.
+  std::string GetSourceName(const policy::PolicySource& source) const;
+
   void GetChromePolicyValues(base::DictionaryValue* values) const;
 
   void HandleInitialized(const base::ListValue* args);
@@ -752,6 +760,7 @@ void PolicyUIHandler::GetPolicyValues(const policy::PolicyMap& map,
       value->SetString("level", "recommended");
     else
       value->SetString("level", "mandatory");
+    value->SetString("source", GetSourceName(entry->second.source));
     base::string16 error = errors->GetErrors(entry->first);
     if (!error.empty())
       value->SetString("error", error);
@@ -759,6 +768,20 @@ void PolicyUIHandler::GetPolicyValues(const policy::PolicyMap& map,
   }
 }
 
+std::string PolicyUIHandler::GetSourceName(
+    const policy::PolicySource& source) const {
+  switch (source) {
+    case policy::POLICY_SOURCE_ENTERPRISE_DEFAULT:
+      return "sourceEnterprise";
+    case policy::POLICY_SOURCE_CLOUD:
+      return "sourceCloud";
+    case policy::POLICY_SOURCE_PLATFORM:
+      return "sourcePlatform";
+    default:
+      return "";
+  }
+}
+
 void PolicyUIHandler::GetChromePolicyValues(
     base::DictionaryValue* values) const {
   policy::PolicyService* policy_service = GetPolicyService();